Southwest Airlines flight WN 4277: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon 06:25 Cleveland (CLE) 06:55 Chicago Midway (MDW)
WN 4277 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-01-05
Wed,Thu 06:45 Cleveland (CLE) 07:20 Chicago Midway (MDW)
WN 4277 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2026-01-01
Sat 10:15 Saint Louis (STL) 2 13:45 Boston Logan (BOS) B
WN 4277 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-03-07 through 2026-04-04
Sun 10:20 Saint Louis (STL) 2 13:50 Boston Logan (BOS) B
WN 4277 Non-stop Boeing 737-800 (73H) 2:30 Effective 2026-03-08 through 2026-04-05
Sun 13:15 Dallas Love Field (DAL) 1 14:35 Reno (RNO)
WN 4277 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 13:25 Saint Louis (STL) 2 16:55 Boston Logan (BOS) B
WN 4277 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 16:05 Kansas City (MCI) 17:15 Las Vegas Harry Reid (LAS) 1
WN 4277 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 16:05 Kansas City (MCI) 17:15 Las Vegas Harry Reid (LAS) 1
WN 4277 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 18:50 San Jose (SJC) B 20:15 Santa Ana (SNA)
WN 4277 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-04-09 through 2026-06-01
Sun 20:15 Nashville (BNA) 21:45 Chicago Midway (MDW)
WN 4277 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-06-07 through 2026-08-02
Sat 21:25 Chicago Midway (MDW) 22:50 Des Moines (DSM)
WN 4277 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 21:55 Chicago Midway (MDW) 23:20 Des Moines (DSM)
WN 4277 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-04 through 2026-08-03
Sun 22:25 Chicago Midway (MDW) 23:45 Des Moines (DSM)
WN 4277 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-06-07 through 2026-08-02
Non-Direct Flights:
Sun 20:15 Nashville (BNA) 23:45 Des Moines (DSM)
WN 4277 1-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-06-07 through 2026-08-02
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4277: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4277
06:25
Cleveland (CLE)

06:55
Chicago Midway (MDW)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4277
06:45
Cleveland (CLE)

07:20
Chicago Midway (MDW)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN4277
10:15
Saint Louis (STL) 2

13:45
Boston Logan (BOS) B
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4277
10:20
Saint Louis (STL) 2

13:50
Boston Logan (BOS) B
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4277
13:15
Dallas Love Field (DAL) 1

14:35
Reno (RNO)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4277
13:25
Saint Louis (STL) 2

16:55
Boston Logan (BOS) B
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4277
16:05
Kansas City (MCI)

17:15
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4277
16:05
Kansas City (MCI)

17:15
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4277
18:50
San Jose (SJC) B

20:15
Santa Ana (SNA)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4277
20:15
Nashville (BNA)

21:45
Chicago Midway (MDW)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4277
21:25
Chicago Midway (MDW)

22:50
Des Moines (DSM)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4277
21:55
Chicago Midway (MDW)

23:20
Des Moines (DSM)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4277
22:25
Chicago Midway (MDW)

23:45
Des Moines (DSM)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4277
20:15
Nashville (BNA)

23:45
Des Moines (DSM)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:30, 1-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Chicago Midway (MDW) - Des Moines (DSM)
  • Cleveland (CLE) - Chicago Midway (MDW)
  • Dallas Love Field (DAL) - Reno (RNO)
  • Kansas City (MCI) - Las Vegas Harry Reid (LAS)
  • Nashville (BNA) - Chicago Midway (MDW)
  • Nashville (BNA) - Des Moines (DSM)
  • Saint Louis (STL) - Boston Logan (BOS)
  • San Jose (SJC) - Santa Ana (SNA)
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