Southwest Airlines flight WN 3420: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 06:20 Denver (DEN) 09:15 Minneapolis/Saint Paul (MSP) 2
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-06-06 through 2026-08-01
Mon,Tue,Fri,Sun 07:45 Las Vegas Harry Reid (LAS) 1 11:40 Lubbock (LBB)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Valid until 2026-01-04
Mon,Thu,Fri 07:50 Denver (DEN) 10:55 Minneapolis/Saint Paul (MSP) 2
WN 3420 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-06-04 through 2026-08-03
Sun 07:50 Denver (DEN) 10:55 Minneapolis/Saint Paul (MSP) 2
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-06-07 through 2026-08-02
Tue,Wed 08:15 Denver (DEN) 11:15 Minneapolis/Saint Paul (MSP) 2
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-06-09 through 2026-07-29
Sun 09:45 Santa Ana (SNA) 10:55 Las Vegas Harry Reid (LAS) 1
WN 3420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-05-24
Sat 10:15 Nashville (BNA) 12:50 Jacksonville (JAX)
WN 3420 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-08-08 through 2026-09-26
Tue,Wed 10:20 Nashville (BNA) 12:55 Jacksonville (JAX)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 10:30 Oakland (OAK) 2 11:50 Ontario, Los Angeles (ONT) 4
WN 3420 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-08-06 through 2026-09-28
Sun 10:50 Nashville (BNA) 13:20 Jacksonville (JAX)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-09 through 2026-09-27
Mon,Tue,Fri,Sun 12:20 Lubbock (LBB) 13:50 Houston Hobby (HOU)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Valid until 2026-01-04
Sat 13:15 Lubbock (LBB) 14:45 Houston Hobby (HOU)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Valid until 2026-01-03
Mon 13:40 Las Vegas Harry Reid (LAS) 1 18:20 Dallas Love Field (DAL) 1
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2026-01-05
Sun 14:55 Indianapolis (IND) 17:20 Fort Myers (RSW)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-08 through 2026-04-05
Wed,Thu 15:05 Las Vegas Harry Reid (LAS) 1 19:45 Dallas Love Field (DAL) 1
WN 3420 Non-stop Boeing 737-800 (73H) 2:40 Valid until 2026-01-01
Tue,Wed 15:40 Indianapolis (IND) 18:05 Fort Myers (RSW)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri 16:40 Indianapolis (IND) 19:05 Fort Myers (RSW)
WN 3420 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-03-05 through 2026-04-06
Sat 16:50 Indianapolis (IND) 19:15 Fort Myers (RSW)
WN 3420 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-03-07 through 2026-04-04
Sun 21:40 Las Vegas Harry Reid (LAS) 1 00:30 Colorado Springs (COS)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-04-12 through 2026-05-17
The flight arrives 1 day after departure.
Sun 21:40 Las Vegas Harry Reid (LAS) 1 00:30 Colorado Springs (COS)
WN 3420 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Operates only on 2026-05-31
The flight arrives 1 day after departure.
Non-Direct Flights:
Mon,Tue,Fri,Sun 07:45 Las Vegas Harry Reid (LAS) 1 13:50 Houston Hobby (HOU)
WN 3420 1-stop Boeing 737 MAX 8 (7M8) 4:05 Valid until 2026-01-04
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3420: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3420
06:20
Denver (DEN)

09:15
Minneapolis/Saint Paul (MSP) 2
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
07:45
Las Vegas Harry Reid (LAS) 1

11:40
Lubbock (LBB)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
07:50
Denver (DEN)

10:55
Minneapolis/Saint Paul (MSP) 2
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3420
07:50
Denver (DEN)

10:55
Minneapolis/Saint Paul (MSP) 2
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
08:15
Denver (DEN)

11:15
Minneapolis/Saint Paul (MSP) 2
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
09:45
Santa Ana (SNA)

10:55
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3420
10:15
Nashville (BNA)

12:50
Jacksonville (JAX)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3420
10:20
Nashville (BNA)

12:55
Jacksonville (JAX)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
10:30
Oakland (OAK) 2

11:50
Ontario, Los Angeles (ONT) 4
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3420
10:50
Nashville (BNA)

13:20
Jacksonville (JAX)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
12:20
Lubbock (LBB)

13:50
Houston Hobby (HOU)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
13:15
Lubbock (LBB)

14:45
Houston Hobby (HOU)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
13:40
Las Vegas Harry Reid (LAS) 1

18:20
Dallas Love Field (DAL) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
14:55
Indianapolis (IND)

17:20
Fort Myers (RSW)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
15:05
Las Vegas Harry Reid (LAS) 1

19:45
Dallas Love Field (DAL) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3420
15:40
Indianapolis (IND)

18:05
Fort Myers (RSW)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3420
16:40
Indianapolis (IND)

19:05
Fort Myers (RSW)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3420
16:50
Indianapolis (IND)

19:15
Fort Myers (RSW)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3420
21:40
Las Vegas Harry Reid (LAS) 1

00:30(+1)
Colorado Springs (COS)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN3420
21:40
Las Vegas Harry Reid (LAS) 1

00:30(+1)
Colorado Springs (COS)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3420
07:45
Las Vegas Harry Reid (LAS) 1

13:50
Houston Hobby (HOU)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Denver (DEN) - Minneapolis/Saint Paul (MSP)
  • Indianapolis (IND) - Fort Myers (RSW)
  • Las Vegas Harry Reid (LAS) - Colorado Springs (COS)
  • Las Vegas Harry Reid (LAS) - Dallas Love Field (DAL)
  • Las Vegas Harry Reid (LAS) - Houston Hobby (HOU)
  • Las Vegas Harry Reid (LAS) - Lubbock (LBB)
  • Lubbock (LBB) - Houston Hobby (HOU)
  • Nashville (BNA) - Jacksonville (JAX)
  • Oakland (OAK) - Ontario, Los Angeles (ONT)
  • Santa Ana (SNA) - Las Vegas Harry Reid (LAS)
All Southwest Airlines flights
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