Southwest Airlines flight WN 4638: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 05:00 Las Vegas Harry Reid (LAS) 1 07:50 Denver (DEN)
WN 4638 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-06-08 through 2025-08-03
Sun 05:45 Ontario, Los Angeles (ONT) 4 06:45 Las Vegas Harry Reid (LAS) 1
WN 4638 Non-stop Boeing 737-800 (73H) 1:00 Effective 2025-05-04 through 2025-05-18
Sun 05:45 Ontario, Los Angeles (ONT) 4 06:45 Las Vegas Harry Reid (LAS) 1
WN 4638 Non-stop Boeing 737-800 (73H) 1:00 Operates only on 2025-06-01
Mon,Thu,Fri 14:40 Tampa (TPA) 16:10 Austin (AUS)
WN 4638 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 14:40 Tampa (TPA) 16:10 Austin (AUS)
WN 4638 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-07-07 through 2025-08-04
Fri 15:30 Tampa (TPA) 17:00 Austin (AUS)
WN 4638 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Operates only on 2025-07-04
Sat 16:35 San Antonio (SAT) A 17:35 Las Vegas Harry Reid (LAS) 1
WN 4638 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-11-22 through 2025-11-29
Sat 16:35 San Antonio (SAT) A 17:35 Las Vegas Harry Reid (LAS) 1
WN 4638 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-12-20 through 2026-01-03
Sun 20:15 Luis Munoz Marin, San Juan (SJU) B 22:30 Tampa (TPA)
WN 4638 Non-stop Boeing 737-700 (Scimitar Winglets) 3:15 Operates only on 2025-11-30
Mon,Thu,Fri 20:45 Burbank (BUR) 22:05 Oakland (OAK) 2
WN 4638 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-02 through 2025-10-31
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4638: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4638
05:00
Las Vegas Harry Reid (LAS) 1

07:50
Denver (DEN)
Effective 2025-06-08 through 2025-08-03
Mon
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Tue
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Wed
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Thu
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Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4638
05:45
Ontario, Los Angeles (ONT) 4

06:45
Las Vegas Harry Reid (LAS) 1
Effective 2025-05-04 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4638
05:45
Ontario, Los Angeles (ONT) 4

06:45
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4638
14:40
Tampa (TPA)

16:10
Austin (AUS)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4638
14:40
Tampa (TPA)

16:10
Austin (AUS)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4638
15:30
Tampa (TPA)

17:00
Austin (AUS)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4638
16:35
San Antonio (SAT) A

17:35
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4638
16:35
San Antonio (SAT) A

17:35
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4638
20:15
Luis Munoz Marin, San Juan (SJU) B

22:30
Tampa (TPA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4638
20:45
Burbank (BUR)

22:05
Oakland (OAK) 2
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Burbank (BUR) - Oakland (OAK)
  • Las Vegas Harry Reid (LAS) - Denver (DEN)
  • Luis Munoz Marin, San Juan (SJU) - Tampa (TPA)
  • Ontario, Los Angeles (ONT) - Las Vegas Harry Reid (LAS)
  • San Antonio (SAT) - Las Vegas Harry Reid (LAS)
  • Tampa (TPA) - Austin (AUS)
All Southwest Airlines flights
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