Southwest Airlines flight WN 4921: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:30 Nashville (BNA) 07:30 Houston Hobby (HOU)
WN 4921 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-08 through 2026-09-26
Sun 17:45 New York LaGuardia (LGA) B 19:20 Nashville (BNA)
WN 4921 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-08-09 through 2026-09-27
Sat 20:35 Los Angeles (LAX) 1 22:00 Sacramento (SMF) B
WN 4921 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-06-06 through 2026-08-01
Tue,Wed 20:55 Denver (DEN) 21:55 Tucson (TUS)
WN 4921 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 21:05 Los Angeles (LAX) 1 22:30 Sacramento (SMF) B
WN 4921 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-06-04 through 2026-08-03
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4921: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4921
05:30
Nashville (BNA)

07:30
Houston Hobby (HOU)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4921
17:45
New York LaGuardia (LGA) B

19:20
Nashville (BNA)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4921
20:35
Los Angeles (LAX) 1

22:00
Sacramento (SMF) B
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4921
20:55
Denver (DEN)

21:55
Tucson (TUS)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4921
21:05
Los Angeles (LAX) 1

22:30
Sacramento (SMF) B
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Denver (DEN) - Tucson (TUS)
  • Los Angeles (LAX) - Sacramento (SMF)
  • Nashville (BNA) - Houston Hobby (HOU)
  • New York LaGuardia (LGA) - Nashville (BNA)
All Southwest Airlines flights
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