Southwest Airlines flight WN 1644: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:10 Fort Myers (RSW) 07:10 Midway, Chicago (MDW)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2025-06-02
Tue,Wed 06:00 Islip (ISP) 07:15 Baltimore (BWI)
WN 1644 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-06-10 through 2025-07-30
Sun 06:10 Tampa (TPA) 07:55 Midway, Chicago (MDW)
WN 1644 Non-stop Boeing 737-800 (73H) 2:45 Valid until 2025-05-18
Sun 06:10 Tampa (TPA) 07:55 Midway, Chicago (MDW)
WN 1644 Non-stop Boeing 737-800 (73H) 2:45 Operates only on 2025-06-01
Mon,Thu,Fri 07:50 Midway, Chicago (MDW) 09:15 Kansas City (MCI)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Valid until 2025-06-02
Mon,Thu,Fri 07:55 Las Vegas Harry Reid (LAS) 1 13:25 New Orleans (MSY)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2025-08-07 through 2025-09-29
Sat 08:00 Midway, Chicago (MDW) 09:30 Kansas City (MCI)
WN 1644 Non-stop Boeing 737-800 (73H) 1:30 Valid until 2025-05-31
Tue,Wed 08:15 Baltimore (BWI) 10:15 Denver (DEN)
WN 1644 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-06-10 through 2025-07-30
Tue,Wed 08:30 Midway, Chicago (MDW) 10:00 Kansas City (MCI)
WN 1644 Non-stop Boeing 737-800 (73H) 1:30 Valid until 2025-06-04
Sun 08:40 Midway, Chicago (MDW) 10:10 Kansas City (MCI)
WN 1644 Non-stop Boeing 737-800 (73H) 1:30 Valid until 2025-05-18
Sun 08:40 Midway, Chicago (MDW) 10:10 Kansas City (MCI)
WN 1644 Non-stop Boeing 737-800 (73H) 1:30 Operates only on 2025-06-01
Thu 09:05 Honolulu (HNL) 2 09:50 Kahului (OGG)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 0:45 Operates only on 2025-11-27
Sun 09:20 Midway, Chicago (MDW) 10:50 Kansas City (MCI)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2025-05-25
Sat 09:40 Denver (DEN) 14:50 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-11-08 through 2025-11-15
Sat 09:40 Denver (DEN) 14:50 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri 10:00 Baltimore (BWI) 11:55 Denver (DEN)
WN 1644 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 10:00 Baltimore (BWI) 11:55 Denver (DEN)
WN 1644 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-07-07 through 2025-08-04
Sun 10:00 Las Vegas Harry Reid (LAS) 1 15:40 New Orleans (MSY)
WN 1644 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-08-10 through 2025-08-24
Sun 10:00 Las Vegas Harry Reid (LAS) 1 15:40 New Orleans (MSY)
WN 1644 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-09-07 through 2025-09-28
Tue,Wed 13:10 Denver (DEN) 18:20 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-11-04 through 2025-11-12
Mon-Thu 13:10 Denver (DEN) 18:20 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-11-17 through 2025-11-20
Mon-Fri 13:10 Denver (DEN) 18:20 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-12-02 through 2025-12-11
Mon-Wed 13:10 Denver (DEN) 18:20 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-12-15 through 2025-12-17
Wed,Thu 13:10 Denver (DEN) 18:20 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-12-24 through 2026-01-01
Sun 13:55 Colorado Springs (COS) 14:45 Phoenix Sky Harbor (PHX) 4
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri,Sun 13:55 Denver (DEN) 19:05 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 13:55 Denver (DEN) 19:05 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 13:55 Denver (DEN) 19:05 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:10 Effective 2025-12-07 through 2025-12-14
Thu 13:55 Denver (DEN) 19:05 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:10 Operates only on 2025-12-18
Mon 13:55 Denver (DEN) 19:05 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:10 Operates only on 2026-01-05
Sun 15:25 Phoenix Sky Harbor (PHX) 4 16:50 Burbank (BUR)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-05 through 2025-10-26
Mon-Wed 15:30 Denver (DEN) 20:35 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 15:30 Denver (DEN) 20:35 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-12-19 through 2026-01-04
Sun 15:35 Denver (DEN) 20:40 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Operates only on 2025-11-30
Sun 16:15 Phoenix Sky Harbor (PHX) 4 20:50 Houston Hobby (HOU)
WN 1644 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-06-08 through 2025-08-03
Tue,Wed 16:20 Las Vegas Harry Reid (LAS) 1 21:50 New Orleans (MSY)
WN 1644 Non-stop Boeing 737-800 (73H) 3:30 Effective 2025-08-05 through 2025-10-01
Sat 17:10 Phoenix Sky Harbor (PHX) 4 18:35 Los Angeles (LAX) 1
WN 1644 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 18:40 Phoenix Sky Harbor (PHX) 4 20:05 Burbank (BUR)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-02 through 2025-10-31
Sun 18:50 Baltimore (BWI) 21:15 Austin (AUS)
WN 1644 Non-stop Boeing 737-800 (73H) 3:25 Operates only on 2025-08-31
Sat 19:30 Phoenix Sky Harbor (PHX) 4 20:55 Burbank (BUR)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-04 through 2025-11-01
Sat 19:40 Denver (DEN) 00:50 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-11-22 through 2025-11-29
The flight arrives 1 day after departure.
Sat 19:40 Denver (DEN) 00:50 Jacksonville (JAX)
WN 1644 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-12-20 through 2026-01-03
The flight arrives 1 day after departure.
Tue,Wed 19:55 Phoenix Sky Harbor (PHX) 4 21:20 Burbank (BUR)
WN 1644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-07 through 2025-10-29
Non-Direct Flights:
Mon,Thu,Fri 05:10 Fort Myers (RSW) 09:15 Kansas City (MCI)
WN 1644 1-stop Boeing 737 MAX 8 (7M8) 5:05 Valid until 2025-06-02
Tue,Wed 06:00 Islip (ISP) 10:15 Denver (DEN)
WN 1644 1-stop Boeing 737-800 (73H) 6:15 Effective 2025-06-10 through 2025-07-30
Sun 06:10 Tampa (TPA) 10:10 Kansas City (MCI)
WN 1644 1-stop Boeing 737-800 (73H) 5:00 Valid until 2025-05-18
Sun 06:10 Tampa (TPA) 10:10 Kansas City (MCI)
WN 1644 1-stop Boeing 737-800 (73H) 5:00 Operates only on 2025-06-01
Sun 13:55 Colorado Springs (COS) 16:50 Burbank (BUR)
WN 1644 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2025-10-05 through 2025-10-26
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 1644: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN1644
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 0:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1644
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1644
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1644
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1644
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1644
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1644
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 WN1644
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1644
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 WN1644
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1644
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN1644
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN1644
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1644
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1644
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:15, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:00, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:00, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN1644
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
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Parallax here
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Austin (AUS)
  • Baltimore (BWI) - Denver (DEN)
  • Colorado Springs (COS) - Burbank (BUR)
  • Colorado Springs (COS) - Phoenix Sky Harbor (PHX)
  • Denver (DEN) - Jacksonville (JAX)
  • Fort Myers (RSW) - Kansas City (MCI)
  • Fort Myers (RSW) - Midway, Chicago (MDW)
  • Honolulu (HNL) - Kahului (OGG)
  • Islip (ISP) - Baltimore (BWI)
  • Islip (ISP) - Denver (DEN)
  • Las Vegas Harry Reid (LAS) - New Orleans (MSY)
  • Midway, Chicago (MDW) - Kansas City (MCI)
  • Phoenix Sky Harbor (PHX) - Burbank (BUR)
  • Phoenix Sky Harbor (PHX) - Houston Hobby (HOU)
  • Phoenix Sky Harbor (PHX) - Los Angeles (LAX)
  • Tampa (TPA) - Kansas City (MCI)
  • Tampa (TPA) - Midway, Chicago (MDW)