Southwest Airlines flight WN 4166: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:05 San Antonio (SAT) A 08:40 Orlando (MCO)
WN 4166 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-04-11 through 2026-05-30
Sun 05:05 San Antonio (SAT) A 08:40 Orlando (MCO)
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-04-12 through 2026-05-17
Sun 05:05 San Antonio (SAT) A 08:40 Orlando (MCO)
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-05-31
Mon,Thu,Fri 05:15 San Antonio (SAT) A 08:50 Orlando (MCO)
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-04-09 through 2026-06-01
Tue,Wed 05:55 San Antonio (SAT) A 09:25 Orlando (MCO)
WN 4166 Non-stop Boeing 737-800 (73H) 2:30 Effective 2026-04-07 through 2026-06-03
Sun 07:20 San Antonio (SAT) A 10:55 Orlando (MCO)
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-05-24
Sun 08:20 Saint Louis (STL) 2 10:30 San Antonio (SAT) A
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-08-09 through 2026-09-27
Tue,Wed 08:30 San Diego (SAN) 1 10:10 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-06-09 through 2026-07-29
Sat 08:35 Phoenix Sky Harbor (PHX) 4 08:50 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-14 through 2026-02-28
Tue,Wed 08:40 Saint Louis (STL) 2 10:50 San Antonio (SAT) A
WN 4166 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-08-04 through 2026-09-30
Sat 09:35 Las Vegas Harry Reid (LAS) 1 11:15 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 09:50 San Diego (SAN) 1 11:25 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-06-04 through 2026-08-03
Tue,Wed 10:10 Phoenix Sky Harbor (PHX) 4 17:20 Washington Dulles (IAD)
WN 4166 Non-stop Boeing 737-800 (73H) 4:10 Effective 2026-03-10 through 2026-04-01
Sat 10:15 Phoenix Sky Harbor (PHX) 4 17:25 Washington Dulles (IAD)
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-03-14 through 2026-04-04
Sun 10:25 Phoenix Sky Harbor (PHX) 4 17:30 Washington Dulles (IAD)
WN 4166 Non-stop Boeing 737-800 (73H) 4:05 Effective 2026-03-08 through 2026-04-05
Sat 11:15 Phoenix Sky Harbor (PHX) 4 17:25 Washington Dulles (IAD)
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Operates only on 2026-03-07
Mon,Thu,Fri 12:00 Phoenix Sky Harbor (PHX) 4 19:05 Washington Dulles (IAD)
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2026-03-09 through 2026-04-06
Thu,Fri 12:50 Phoenix Sky Harbor (PHX) 4 18:55 Washington Dulles (IAD)
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2026-03-05 through 2026-03-06
Thu,Fri,Sun 13:20 Wichita (ICT) 14:55 Phoenix Sky Harbor (PHX) 4
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-01-11 through 2026-01-16
Mon,Sun 13:20 Wichita (ICT) 14:55 Phoenix Sky Harbor (PHX) 4
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 13:20 Wichita (ICT) 14:55 Phoenix Sky Harbor (PHX) 4
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-02-01 through 2026-02-06
Mon,Sun 13:20 Wichita (ICT) 14:55 Phoenix Sky Harbor (PHX) 4
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 13:20 Wichita (ICT) 14:55 Phoenix Sky Harbor (PHX) 4
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-02-17 through 2026-02-23
Mon 13:25 Wichita (ICT) 15:00 Phoenix Sky Harbor (PHX) 4
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-03-02
Mon,Thu,Fri 14:40 Phoenix Sky Harbor (PHX) 4 14:55 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:40 Phoenix Sky Harbor (PHX) 4 14:55 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-20 through 2026-03-01
Mon-Fri 15:15 Las Vegas Harry Reid (LAS) 1 16:55 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 15:15 Las Vegas Harry Reid (LAS) 1 16:55 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-01-18 through 2026-01-23
Mon-Fri 15:15 Las Vegas Harry Reid (LAS) 1 16:55 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 15:15 Las Vegas Harry Reid (LAS) 1 16:55 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-02-08 through 2026-02-11
Tue,Wed 15:15 Las Vegas Harry Reid (LAS) 1 16:55 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-02-18 through 2026-03-04
Thu,Fri,Sun 15:35 Phoenix Sky Harbor (PHX) 4 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 15:35 Phoenix Sky Harbor (PHX) 4 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 15:35 Phoenix Sky Harbor (PHX) 4 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-01 through 2026-02-06
Mon,Sun 15:35 Phoenix Sky Harbor (PHX) 4 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-09 through 2026-02-15
Mon,Thu,Fri 15:35 Las Vegas Harry Reid (LAS) 1 17:15 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-12 through 2026-02-16
Mon,Tue,Thu 15:35 Phoenix Sky Harbor (PHX) 4 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-02-17 through 2026-02-23
Thu,Fri,Sun 15:35 Las Vegas Harry Reid (LAS) 1 17:15 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-20 through 2026-03-01
Mon 15:45 Phoenix Sky Harbor (PHX) 4 15:55 Las Vegas Harry Reid (LAS) 1
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Operates only on 2026-03-02
Thu,Fri,Sun 16:20 Las Vegas Harry Reid (LAS) 1 18:00 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-01-11 through 2026-01-16
Mon,Sun 16:20 Las Vegas Harry Reid (LAS) 1 18:00 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 16:20 Las Vegas Harry Reid (LAS) 1 18:00 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-01 through 2026-02-06
Mon,Sun 16:20 Las Vegas Harry Reid (LAS) 1 18:00 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 16:20 Las Vegas Harry Reid (LAS) 1 18:00 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-17 through 2026-02-23
Mon 16:40 Las Vegas Harry Reid (LAS) 1 18:20 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Operates only on 2026-03-02
Sat 16:50 Las Vegas Harry Reid (LAS) 1 18:30 Oakland (OAK) 2
WN 4166 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri 20:45 Saint Louis (STL) 2 22:55 San Antonio (SAT) A
WN 4166 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-08-06 through 2026-09-28
Non-Direct Flights:
Sat 08:35 Phoenix Sky Harbor (PHX) 4 11:15 Oakland (OAK) 2
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-02-14 through 2026-02-28
Thu,Fri,Sun 13:20 Wichita (ICT) 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 13:20 Wichita (ICT) 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 13:20 Wichita (ICT) 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-02-01 through 2026-02-06
Mon,Sun 13:20 Wichita (ICT) 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 13:20 Wichita (ICT) 15:45 Las Vegas Harry Reid (LAS) 1
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-02-17 through 2026-02-23
Mon 13:25 Wichita (ICT) 15:55 Las Vegas Harry Reid (LAS) 1
WN 4166 1-stop Boeing 737 MAX 8 (7M8) 4:30 Operates only on 2026-03-02
Mon,Thu,Fri 14:40 Phoenix Sky Harbor (PHX) 4 17:15 Oakland (OAK) 2
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:40 Phoenix Sky Harbor (PHX) 4 17:15 Oakland (OAK) 2
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-02-20 through 2026-03-01
Thu,Fri,Sun 15:35 Phoenix Sky Harbor (PHX) 4 18:00 Oakland (OAK) 2
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 15:35 Phoenix Sky Harbor (PHX) 4 18:00 Oakland (OAK) 2
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 15:35 Phoenix Sky Harbor (PHX) 4 18:00 Oakland (OAK) 2
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-02-01 through 2026-02-06
Mon,Sun 15:35 Phoenix Sky Harbor (PHX) 4 18:00 Oakland (OAK) 2
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 15:35 Phoenix Sky Harbor (PHX) 4 18:00 Oakland (OAK) 2
WN 4166 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-02-17 through 2026-02-23
Mon 15:45 Phoenix Sky Harbor (PHX) 4 18:20 Oakland (OAK) 2
WN 4166 1-stop Boeing 737 MAX 8 (7M8) 3:35 Operates only on 2026-03-02
Thu,Fri,Sun 13:20 Wichita (ICT) 18:00 Oakland (OAK) 2
WN 4166 2-stop Boeing 737-700 (Scimitar Winglets) 6:40 Effective 2026-01-11 through 2026-01-16
Mon,Sun 13:20 Wichita (ICT) 18:00 Oakland (OAK) 2
WN 4166 2-stop Boeing 737-700 (Scimitar Winglets) 6:40 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 13:20 Wichita (ICT) 18:00 Oakland (OAK) 2
WN 4166 2-stop Boeing 737-700 (Scimitar Winglets) 6:40 Effective 2026-02-01 through 2026-02-06
Mon,Sun 13:20 Wichita (ICT) 18:00 Oakland (OAK) 2
WN 4166 2-stop Boeing 737-700 (Scimitar Winglets) 6:40 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 13:20 Wichita (ICT) 18:00 Oakland (OAK) 2
WN 4166 2-stop Boeing 737-700 (Scimitar Winglets) 6:40 Effective 2026-02-17 through 2026-02-23
Mon 13:25 Wichita (ICT) 18:20 Oakland (OAK) 2
WN 4166 2-stop Boeing 737 MAX 8 (7M8) 6:55 Operates only on 2026-03-02
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4166: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4166
05:05
San Antonio (SAT) A

08:40
Orlando (MCO)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4166
05:05
San Antonio (SAT) A

08:40
Orlando (MCO)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
05:05
San Antonio (SAT) A

08:40
Orlando (MCO)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
05:15
San Antonio (SAT) A

08:50
Orlando (MCO)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
05:55
San Antonio (SAT) A

09:25
Orlando (MCO)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4166
07:20
San Antonio (SAT) A

10:55
Orlando (MCO)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
08:20
Saint Louis (STL) 2

10:30
San Antonio (SAT) A
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
08:30
San Diego (SAN) 1

10:10
Oakland (OAK) 2
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
08:35
Phoenix Sky Harbor (PHX) 4

08:50
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
08:40
Saint Louis (STL) 2

10:50
San Antonio (SAT) A
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4166
09:35
Las Vegas Harry Reid (LAS) 1

11:15
Oakland (OAK) 2
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
09:50
San Diego (SAN) 1

11:25
Oakland (OAK) 2
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4166
10:10
Phoenix Sky Harbor (PHX) 4

17:20
Washington Dulles (IAD)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4166
10:15
Phoenix Sky Harbor (PHX) 4

17:25
Washington Dulles (IAD)
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
10:25
Phoenix Sky Harbor (PHX) 4

17:30
Washington Dulles (IAD)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4166
11:15
Phoenix Sky Harbor (PHX) 4

17:25
Washington Dulles (IAD)
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
12:00
Phoenix Sky Harbor (PHX) 4

19:05
Washington Dulles (IAD)
Effective 2026-03-09 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
12:50
Phoenix Sky Harbor (PHX) 4

18:55
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

14:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

14:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

14:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

14:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

14:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
13:25
Wichita (ICT)

15:00
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
14:40
Phoenix Sky Harbor (PHX) 4

14:55
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
14:40
Phoenix Sky Harbor (PHX) 4

14:55
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
15:15
Las Vegas Harry Reid (LAS) 1

16:55
Oakland (OAK) 2
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
15:15
Las Vegas Harry Reid (LAS) 1

16:55
Oakland (OAK) 2
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
15:15
Las Vegas Harry Reid (LAS) 1

16:55
Oakland (OAK) 2
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
15:15
Las Vegas Harry Reid (LAS) 1

16:55
Oakland (OAK) 2
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
15:15
Las Vegas Harry Reid (LAS) 1

16:55
Oakland (OAK) 2
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
15:35
Las Vegas Harry Reid (LAS) 1

17:15
Oakland (OAK) 2
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
15:35
Las Vegas Harry Reid (LAS) 1

17:15
Oakland (OAK) 2
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
15:45
Phoenix Sky Harbor (PHX) 4

15:55
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
16:20
Las Vegas Harry Reid (LAS) 1

18:00
Oakland (OAK) 2
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
16:20
Las Vegas Harry Reid (LAS) 1

18:00
Oakland (OAK) 2
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
16:20
Las Vegas Harry Reid (LAS) 1

18:00
Oakland (OAK) 2
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
16:20
Las Vegas Harry Reid (LAS) 1

18:00
Oakland (OAK) 2
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
16:20
Las Vegas Harry Reid (LAS) 1

18:00
Oakland (OAK) 2
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4166
16:40
Las Vegas Harry Reid (LAS) 1

18:20
Oakland (OAK) 2
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4166
16:50
Las Vegas Harry Reid (LAS) 1

18:30
Oakland (OAK) 2
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4166
20:45
Saint Louis (STL) 2

22:55
San Antonio (SAT) A
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4166
08:35
Phoenix Sky Harbor (PHX) 4

11:15
Oakland (OAK) 2
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

15:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:25
Wichita (ICT)

15:55
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4166
14:40
Phoenix Sky Harbor (PHX) 4

17:15
Oakland (OAK) 2
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
14:40
Phoenix Sky Harbor (PHX) 4

17:15
Oakland (OAK) 2
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

18:00
Oakland (OAK) 2
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

18:00
Oakland (OAK) 2
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

18:00
Oakland (OAK) 2
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

18:00
Oakland (OAK) 2
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
15:35
Phoenix Sky Harbor (PHX) 4

18:00
Oakland (OAK) 2
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
15:45
Phoenix Sky Harbor (PHX) 4

18:20
Oakland (OAK) 2
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

18:00
Oakland (OAK) 2
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:40, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

18:00
Oakland (OAK) 2
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:40, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

18:00
Oakland (OAK) 2
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:40, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

18:00
Oakland (OAK) 2
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:40, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:20
Wichita (ICT)

18:00
Oakland (OAK) 2
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:40, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4166
13:25
Wichita (ICT)

18:20
Oakland (OAK) 2
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:55, 2-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - Oakland (OAK)
  • Phoenix Sky Harbor (PHX) - Las Vegas Harry Reid (LAS)
  • Phoenix Sky Harbor (PHX) - Oakland (OAK)
  • Phoenix Sky Harbor (PHX) - Washington Dulles (IAD)
  • Saint Louis (STL) - San Antonio (SAT)
  • San Antonio (SAT) - Orlando (MCO)
  • San Diego (SAN) - Oakland (OAK)
  • Wichita (ICT) - Las Vegas Harry Reid (LAS)
  • Wichita (ICT) - Oakland (OAK)
  • Wichita (ICT) - Phoenix Sky Harbor (PHX)
All Southwest Airlines flights
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