Southwest Airlines flight WN 4503: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 06:30 New York LaGuardia (LGA) B 09:20 Houston Hobby (HOU)
WN 4503 Non-stop Boeing 737-800 (73H) 3:50 Valid until 2025-06-04
Sat,Sun 07:15 New York LaGuardia (LGA) B 10:10 Houston Hobby (HOU)
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Valid until 2025-06-01
Fri 08:50 San Jose (SJC) B 10:15 Los Angeles (LAX) 1
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Operates only on 2025-07-04
Mon,Thu,Fri 09:40 San Jose (SJC) B 11:05 Los Angeles (LAX) 1
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 09:40 San Jose (SJC) B 11:05 Los Angeles (LAX) 1
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-07-07 through 2025-08-04
Sun 09:45 San Jose (SJC) B 11:10 Los Angeles (LAX) 1
WN 4503 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-06-08 through 2025-08-03
Sat 10:55 San Jose (SJC) B 12:15 Los Angeles (LAX) 1
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-06-07 through 2025-08-02
Sat 18:10 Savannah (SAV) 19:30 Midway, Chicago (MDW)
WN 4503 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-11-22 through 2025-11-29
Sat 18:10 Savannah (SAV) 19:30 Midway, Chicago (MDW)
WN 4503 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-12-20 through 2026-01-03
Tue,Wed 18:30 San Jose (SJC) B 19:50 Los Angeles (LAX) 1
WN 4503 Non-stop Boeing 737-700 (73W) 1:20 Effective 2025-06-10 through 2025-07-30
Sat 20:15 Midway, Chicago (MDW) 21:30 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-22 through 2025-11-29
Sat 20:15 Midway, Chicago (MDW) 21:30 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-20 through 2026-01-03
Sun 21:10 Salt Lake City (SLC) 21:35 Las Vegas Harry Reid (LAS) 1
WN 4503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri 21:25 Salt Lake City (SLC) 21:50 Las Vegas Harry Reid (LAS) 1
WN 4503 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-02 through 2025-10-31
Mon,Thu,Fri,Sun 21:40 Midway, Chicago (MDW) 22:55 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 21:40 Midway, Chicago (MDW) 22:55 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-11-21 through 2025-11-28
Fri,Sun 21:40 Midway, Chicago (MDW) 22:55 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-12-07 through 2025-12-14
Thu 21:40 Midway, Chicago (MDW) 22:55 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2025-12-18
Mon 21:40 Midway, Chicago (MDW) 22:55 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2026-01-05
Mon-Wed 22:50 Midway, Chicago (MDW) 00:05 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-11-25 through 2025-12-01
The flight arrives 1 day after departure.
Mon,Tue,Fri,Sun 22:50 Midway, Chicago (MDW) 00:05 Saint Louis (STL) 2
WN 4503 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-12-19 through 2026-01-04
The flight arrives 1 day after departure.
Non-Direct Flights:
Sat 18:10 Savannah (SAV) 21:30 Saint Louis (STL) 2
WN 4503 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2025-11-22 through 2025-11-29
Sat 18:10 Savannah (SAV) 21:30 Saint Louis (STL) 2
WN 4503 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2025-12-20 through 2026-01-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4503: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4503
06:30
New York LaGuardia (LGA) B

09:20
Houston Hobby (HOU)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4503
07:15
New York LaGuardia (LGA) B

10:10
Houston Hobby (HOU)
Valid until 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
08:50
San Jose (SJC) B

10:15
Los Angeles (LAX) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
09:40
San Jose (SJC) B

11:05
Los Angeles (LAX) 1
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
09:40
San Jose (SJC) B

11:05
Los Angeles (LAX) 1
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
09:45
San Jose (SJC) B

11:10
Los Angeles (LAX) 1
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4503
10:55
San Jose (SJC) B

12:15
Los Angeles (LAX) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
18:10
Savannah (SAV)

19:30
Midway, Chicago (MDW)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4503
18:10
Savannah (SAV)

19:30
Midway, Chicago (MDW)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4503
18:30
San Jose (SJC) B

19:50
Los Angeles (LAX) 1
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4503
20:15
Midway, Chicago (MDW)

21:30
Saint Louis (STL) 2
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4503
20:15
Midway, Chicago (MDW)

21:30
Saint Louis (STL) 2
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4503
21:10
Salt Lake City (SLC)

21:35
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4503
21:25
Salt Lake City (SLC)

21:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4503
21:40
Midway, Chicago (MDW)

22:55
Saint Louis (STL) 2
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
21:40
Midway, Chicago (MDW)

22:55
Saint Louis (STL) 2
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
21:40
Midway, Chicago (MDW)

22:55
Saint Louis (STL) 2
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
21:40
Midway, Chicago (MDW)

22:55
Saint Louis (STL) 2
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
21:40
Midway, Chicago (MDW)

22:55
Saint Louis (STL) 2
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4503
22:50
Midway, Chicago (MDW)

00:05(+1)
Saint Louis (STL) 2
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN4503
22:50
Midway, Chicago (MDW)

00:05(+1)
Saint Louis (STL) 2
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN4503
18:10
Savannah (SAV)

21:30
Saint Louis (STL) 2
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4503
18:10
Savannah (SAV)

21:30
Saint Louis (STL) 2
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Midway, Chicago (MDW) - Saint Louis (STL)
  • New York LaGuardia (LGA) - Houston Hobby (HOU)
  • Salt Lake City (SLC) - Las Vegas Harry Reid (LAS)
  • San Jose (SJC) - Los Angeles (LAX)
  • Savannah (SAV) - Midway, Chicago (MDW)
  • Savannah (SAV) - Saint Louis (STL)
All Southwest Airlines flights
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