Southwest Airlines flight WN 4545: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed,Sat,Sun 06:00 Rochester (ROC) 07:15 Baltimore (BWI)
WN 4545 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-08-05 through 2025-08-30
Tue,Wed,Sat,Sun 06:00 Rochester (ROC) 07:15 Baltimore (BWI)
WN 4545 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-09-02 through 2025-10-01
Mon,Thu,Fri 06:05 Rochester (ROC) 07:20 Baltimore (BWI)
WN 4545 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-08-07 through 2025-09-29
Sat 06:10 Baltimore (BWI) 08:10 Phoenix Sky Harbor (PHX) 4
WN 4545 Non-stop Boeing 737-800 (73H) 5:00 Valid until 2025-05-31
Sun 06:30 Rochester (ROC) 07:50 Baltimore (BWI)
WN 4545 Non-stop Boeing 737-700 (73W) 1:20 Operates only on 2025-08-31
Mon-Wed 06:40 Oakland (OAK) 2 09:30 Phoenix Sky Harbor (PHX) 4
WN 4545 Non-stop Boeing 737-800 (73H) 1:50 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 06:40 Oakland (OAK) 2 09:30 Phoenix Sky Harbor (PHX) 4
WN 4545 Non-stop Boeing 737-800 (73H) 1:50 Effective 2025-12-19 through 2026-01-04
Sun 07:25 Saint Louis (STL) 2 09:40 Austin (AUS)
WN 4545 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 10:00 Saint Louis (STL) 2 12:15 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 10:00 Saint Louis (STL) 2 12:15 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-21 through 2025-11-28
Fri,Sun 10:00 Saint Louis (STL) 2 12:15 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-07 through 2025-12-14
Thu 10:00 Saint Louis (STL) 2 12:15 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2025-12-18
Mon 10:00 Saint Louis (STL) 2 12:15 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-01-05
Mon-Wed 10:10 Phoenix Sky Harbor (PHX) 4 14:35 Midway, Chicago (MDW)
WN 4545 Non-stop Boeing 737-800 (73H) 3:25 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 10:10 Phoenix Sky Harbor (PHX) 4 14:35 Midway, Chicago (MDW)
WN 4545 Non-stop Boeing 737-800 (73H) 3:25 Effective 2025-12-19 through 2026-01-04
Tue,Wed 10:15 Saint Louis (STL) 2 12:30 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:15 Saint Louis (STL) 2 12:30 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:15 Saint Louis (STL) 2 12:30 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:15 Saint Louis (STL) 2 12:30 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:15 Saint Louis (STL) 2 12:30 Austin (AUS)
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-24 through 2026-01-01
Sat 10:35 Saint Louis (STL) 2 12:50 Austin (AUS)
WN 4545 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-11-08 through 2025-11-15
Sat 10:35 Saint Louis (STL) 2 12:50 Austin (AUS)
WN 4545 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-12-06 through 2025-12-13
Sat 12:40 Oakland (OAK) 2 15:35 Phoenix Sky Harbor (PHX) 4
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-11-22 through 2025-11-29
Sat 12:40 Oakland (OAK) 2 15:35 Phoenix Sky Harbor (PHX) 4
WN 4545 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri 14:20 Las Vegas Harry Reid (LAS) 1 15:35 Santa Ana (SNA)
WN 4545 Non-stop Boeing 737-700 (73W) 1:15 Valid until 2025-06-02
Mon,Thu,Fri 16:10 Santa Ana (SNA) 17:40 Sacramento (SMF) B
WN 4545 Non-stop Boeing 737-700 (73W) 1:30 Valid until 2025-06-02
Non-Direct Flights:
Mon-Wed 06:40 Oakland (OAK) 2 14:35 Midway, Chicago (MDW)
WN 4545 1-stop Boeing 737-800 (73H) 5:55 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 06:40 Oakland (OAK) 2 14:35 Midway, Chicago (MDW)
WN 4545 1-stop Boeing 737-800 (73H) 5:55 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri 14:20 Las Vegas Harry Reid (LAS) 1 17:40 Sacramento (SMF) B
WN 4545 1-stop Boeing 737-700 (73W) 3:20 Valid until 2025-06-02
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4545: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4545
06:00
Rochester (ROC)

07:15
Baltimore (BWI)
Effective 2025-08-05 through 2025-08-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4545
06:00
Rochester (ROC)

07:15
Baltimore (BWI)
Effective 2025-09-02 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4545
06:05
Rochester (ROC)

07:20
Baltimore (BWI)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
06:10
Baltimore (BWI)

08:10
Phoenix Sky Harbor (PHX) 4
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
06:30
Rochester (ROC)

07:50
Baltimore (BWI)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4545
06:40
Oakland (OAK) 2

09:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
06:40
Oakland (OAK) 2

09:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
07:25
Saint Louis (STL) 2

09:40
Austin (AUS)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4545
10:00
Saint Louis (STL) 2

12:15
Austin (AUS)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:00
Saint Louis (STL) 2

12:15
Austin (AUS)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:00
Saint Louis (STL) 2

12:15
Austin (AUS)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:00
Saint Louis (STL) 2

12:15
Austin (AUS)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:00
Saint Louis (STL) 2

12:15
Austin (AUS)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:10
Phoenix Sky Harbor (PHX) 4

14:35
Midway, Chicago (MDW)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
10:10
Phoenix Sky Harbor (PHX) 4

14:35
Midway, Chicago (MDW)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
10:15
Saint Louis (STL) 2

12:30
Austin (AUS)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:15
Saint Louis (STL) 2

12:30
Austin (AUS)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:15
Saint Louis (STL) 2

12:30
Austin (AUS)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:15
Saint Louis (STL) 2

12:30
Austin (AUS)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:15
Saint Louis (STL) 2

12:30
Austin (AUS)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
10:35
Saint Louis (STL) 2

12:50
Austin (AUS)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
10:35
Saint Louis (STL) 2

12:50
Austin (AUS)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
12:40
Oakland (OAK) 2

15:35
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
12:40
Oakland (OAK) 2

15:35
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4545
14:20
Las Vegas Harry Reid (LAS) 1

15:35
Santa Ana (SNA)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4545
16:10
Santa Ana (SNA)

17:40
Sacramento (SMF) B
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN4545
06:40
Oakland (OAK) 2

14:35
Midway, Chicago (MDW)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:55, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
06:40
Oakland (OAK) 2

14:35
Midway, Chicago (MDW)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 5:55, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN4545
14:20
Las Vegas Harry Reid (LAS) 1

17:40
Sacramento (SMF) B
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Phoenix Sky Harbor (PHX)
  • Las Vegas Harry Reid (LAS) - Sacramento (SMF)
  • Las Vegas Harry Reid (LAS) - Santa Ana (SNA)
  • Oakland (OAK) - Midway, Chicago (MDW)
  • Oakland (OAK) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Midway, Chicago (MDW)
  • Rochester (ROC) - Baltimore (BWI)
  • Saint Louis (STL) - Austin (AUS)
  • Santa Ana (SNA) - Sacramento (SMF)
All Southwest Airlines flights
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