Southwest Airlines flight WN 1991: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:00 Austin (AUS) 07:05 Saint Louis (STL) 2
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Valid until 2026-01-03
Mon 07:15 Las Vegas Harry Reid (LAS) 1 08:25 San Diego (SAN) 1
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-01-05
Sat 07:45 Saint Louis (STL) 2 10:55 Philadelphia (PHL) E
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Valid until 2026-01-03
Wed,Thu 08:45 Las Vegas Harry Reid (LAS) 1 09:55 San Diego (SAN) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Valid until 2026-01-01
Sun 09:00 Sacramento (SMF) B 10:35 San Diego (SAN) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 09:25 Houston Hobby (HOU) 10:45 Jackson (JAN)
WN 1991 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-06-04 through 2026-08-03
Tue,Wed 09:30 Sacramento (SMF) B 11:05 San Diego (SAN) 1
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-08-04 through 2026-09-30
Sat 09:30 Sacramento (SMF) B 11:05 San Diego (SAN) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-08-08 through 2026-09-26
Mon,Thu,Fri 10:40 Houston Hobby (HOU) 15:05 New York LaGuardia (LGA) B
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-08-06 through 2026-09-28
Sat 10:55 Cleveland (CLE) 13:25 Tampa (TPA)
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 11:25 Jackson (JAN) 12:40 Nashville (BNA)
WN 1991 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-06-04 through 2026-08-03
Sat 11:35 Philadelphia (PHL) E 14:10 Orlando (MCO)
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Valid until 2026-01-03
Tue,Wed 12:50 Las Vegas Harry Reid (LAS) 1 17:45 Des Moines (DSM)
WN 1991 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri 13:20 Indianapolis (IND) 16:00 Fort Lauderdale (FLL) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 13:20 Indianapolis (IND) 16:00 Fort Lauderdale (FLL) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 13:40 Las Vegas Harry Reid (LAS) 1 18:35 Des Moines (DSM)
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-03-05 through 2026-04-06
Sun 14:15 Houston Hobby (HOU) 15:05 Phoenix Sky Harbor (PHX) 4
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-05-24
Sun 14:35 Houston Hobby (HOU) 15:25 Phoenix Sky Harbor (PHX) 4
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-04-12 through 2026-05-17
Sun 14:35 Houston Hobby (HOU) 15:25 Phoenix Sky Harbor (PHX) 4
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Operates only on 2026-05-31
Fri,Sun 14:40 Saint Louis (STL) 2 17:45 Philadelphia (PHL) E
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-01-02 through 2026-01-04
Sun 15:05 Las Vegas Harry Reid (LAS) 1 20:00 Des Moines (DSM)
WN 1991 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-03-08 through 2026-04-05
Sat 15:55 Indianapolis (IND) 18:35 Fort Lauderdale (FLL) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Operates only on 2026-02-14
Sat 15:55 Indianapolis (IND) 18:35 Fort Lauderdale (FLL) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Operates only on 2026-02-28
Sat 16:00 Indianapolis (IND) 18:40 Fort Lauderdale (FLL) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Operates only on 2026-02-21
Sun 16:05 Phoenix Sky Harbor (PHX) 4 18:10 San Francisco (SFO) 2
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-04-12 through 2026-05-17
Sun 16:05 Phoenix Sky Harbor (PHX) 4 18:10 San Francisco (SFO) 2
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Operates only on 2026-05-31
Mon-Fri 18:10 Atlanta (ATL) N 19:35 Denver (DEN)
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 18:10 Atlanta (ATL) N 19:35 Denver (DEN)
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-01-18 through 2026-01-23
Mon-Fri 18:10 Atlanta (ATL) N 19:35 Denver (DEN)
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 18:10 Atlanta (ATL) N 19:35 Denver (DEN)
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-02-08 through 2026-02-11
Tue,Wed 18:10 Atlanta (ATL) N 19:35 Denver (DEN)
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-02-18 through 2026-03-04
Fri,Sun 18:20 Philadelphia (PHL) E 20:55 Orlando (MCO)
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-01-02 through 2026-01-04
Tue,Wed 18:35 Houston Hobby (HOU) 19:25 Phoenix Sky Harbor (PHX) 4
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 18:40 Houston Hobby (HOU) 19:30 Phoenix Sky Harbor (PHX) 4
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-04-09 through 2026-06-01
Sat 19:10 Denver (DEN) 20:50 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-01-10 through 2026-02-07
Thu,Fri,Sun 19:15 Denver (DEN) 20:55 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-01-11 through 2026-01-16
Mon,Sun 19:15 Denver (DEN) 20:55 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 19:15 Denver (DEN) 20:55 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-02-01 through 2026-02-06
Mon,Sun 19:15 Denver (DEN) 20:55 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 19:15 Denver (DEN) 20:55 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-02-17 through 2026-02-23
Mon 19:15 Denver (DEN) 20:55 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737-800 (73H) 2:40 Operates only on 2026-03-02
Sat 19:30 Phoenix Sky Harbor (PHX) 4 22:15 Denver (DEN)
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 20:10 Phoenix Sky Harbor (PHX) 4 22:55 Denver (DEN)
WN 1991 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-04-09 through 2026-06-01
Mon-Fri 20:20 Denver (DEN) 22:00 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 20:20 Denver (DEN) 22:00 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-18 through 2026-01-23
Mon-Fri 20:20 Denver (DEN) 22:00 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 20:20 Denver (DEN) 22:00 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-08 through 2026-02-11
Tue,Wed 20:20 Denver (DEN) 22:00 Los Angeles (LAX) 1
WN 1991 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-18 through 2026-03-04
Non-Direct Flights:
Sat 05:00 Austin (AUS) 10:55 Philadelphia (PHL) E
WN 1991 1-stop Boeing 737 MAX 8 (7M8) 4:55 Valid until 2026-01-03
Sat 07:45 Saint Louis (STL) 2 14:10 Orlando (MCO)
WN 1991 1-stop Boeing 737 MAX 8 (7M8) 5:25 Valid until 2026-01-03
Mon,Thu,Fri 09:25 Houston Hobby (HOU) 12:40 Nashville (BNA)
WN 1991 1-stop Boeing 737-800 (73H) 3:15 Effective 2026-06-04 through 2026-08-03
Sun 14:35 Houston Hobby (HOU) 18:10 San Francisco (SFO) 2
WN 1991 1-stop Boeing 737-700 (Scimitar Winglets) 5:35 Effective 2026-04-12 through 2026-05-17
Sun 14:35 Houston Hobby (HOU) 18:10 San Francisco (SFO) 2
WN 1991 1-stop Boeing 737-700 (Scimitar Winglets) 5:35 Operates only on 2026-05-31
Fri,Sun 14:40 Saint Louis (STL) 2 20:55 Orlando (MCO)
WN 1991 1-stop Boeing 737-700 (Scimitar Winglets) 5:15 Effective 2026-01-02 through 2026-01-04
Mon-Fri 18:10 Atlanta (ATL) N 22:00 Los Angeles (LAX) 1
WN 1991 1-stop Boeing 737 MAX 8 (7M8) 6:50 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 18:10 Atlanta (ATL) N 22:00 Los Angeles (LAX) 1
WN 1991 1-stop Boeing 737 MAX 8 (7M8) 6:50 Effective 2026-01-18 through 2026-01-23
Mon-Fri 18:10 Atlanta (ATL) N 22:00 Los Angeles (LAX) 1
WN 1991 1-stop Boeing 737 MAX 8 (7M8) 6:50 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 18:10 Atlanta (ATL) N 22:00 Los Angeles (LAX) 1
WN 1991 1-stop Boeing 737 MAX 8 (7M8) 6:50 Effective 2026-02-08 through 2026-02-11
Tue,Wed 18:10 Atlanta (ATL) N 22:00 Los Angeles (LAX) 1
WN 1991 1-stop Boeing 737 MAX 8 (7M8) 6:50 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 18:40 Houston Hobby (HOU) 22:55 Denver (DEN)
WN 1991 1-stop Boeing 737-700 (Scimitar Winglets) 5:15 Effective 2026-04-09 through 2026-06-01
Sat 05:00 Austin (AUS) 14:10 Orlando (MCO)
WN 1991 2-stop Boeing 737 MAX 8 (7M8) 8:10 Valid until 2026-01-03
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Southwest Airlines flight WN 1991: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN1991
05:00
Austin (AUS)

07:05
Saint Louis (STL) 2
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
07:15
Las Vegas Harry Reid (LAS) 1

08:25
San Diego (SAN) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
07:45
Saint Louis (STL) 2

10:55
Philadelphia (PHL) E
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
08:45
Las Vegas Harry Reid (LAS) 1

09:55
San Diego (SAN) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
09:00
Sacramento (SMF) B

10:35
San Diego (SAN) 1
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
09:25
Houston Hobby (HOU)

10:45
Jackson (JAN)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
09:30
Sacramento (SMF) B

11:05
San Diego (SAN) 1
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
09:30
Sacramento (SMF) B

11:05
San Diego (SAN) 1
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
10:40
Houston Hobby (HOU)

15:05
New York LaGuardia (LGA) B
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
10:55
Cleveland (CLE)

13:25
Tampa (TPA)
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 WN1991
11:25
Jackson (JAN)

12:40
Nashville (BNA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
11:35
Philadelphia (PHL) E

14:10
Orlando (MCO)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
12:50
Las Vegas Harry Reid (LAS) 1

17:45
Des Moines (DSM)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
13:20
Indianapolis (IND)

16:00
Fort Lauderdale (FLL) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
13:20
Indianapolis (IND)

16:00
Fort Lauderdale (FLL) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
13:40
Las Vegas Harry Reid (LAS) 1

18:35
Des Moines (DSM)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
14:15
Houston Hobby (HOU)

15:05
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
14:35
Houston Hobby (HOU)

15:25
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
14:35
Houston Hobby (HOU)

15:25
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
14:40
Saint Louis (STL) 2

17:45
Philadelphia (PHL) E
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
15:05
Las Vegas Harry Reid (LAS) 1

20:00
Des Moines (DSM)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
15:55
Indianapolis (IND)

18:35
Fort Lauderdale (FLL) 1
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
15:55
Indianapolis (IND)

18:35
Fort Lauderdale (FLL) 1
Operates only on 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
16:00
Indianapolis (IND)

18:40
Fort Lauderdale (FLL) 1
Operates only on 2026-02-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
16:05
Phoenix Sky Harbor (PHX) 4

18:10
San Francisco (SFO) 2
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
16:05
Phoenix Sky Harbor (PHX) 4

18:10
San Francisco (SFO) 2
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

19:35
Denver (DEN)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

19:35
Denver (DEN)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

19:35
Denver (DEN)
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

19:35
Denver (DEN)
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

19:35
Denver (DEN)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
18:20
Philadelphia (PHL) E

20:55
Orlando (MCO)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
18:35
Houston Hobby (HOU)

19:25
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
18:40
Houston Hobby (HOU)

19:30
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
19:10
Denver (DEN)

20:50
Los Angeles (LAX) 1
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
19:15
Denver (DEN)

20:55
Los Angeles (LAX) 1
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
19:15
Denver (DEN)

20:55
Los Angeles (LAX) 1
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
19:15
Denver (DEN)

20:55
Los Angeles (LAX) 1
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
19:15
Denver (DEN)

20:55
Los Angeles (LAX) 1
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
19:15
Denver (DEN)

20:55
Los Angeles (LAX) 1
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
19:15
Denver (DEN)

20:55
Los Angeles (LAX) 1
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN1991
19:30
Phoenix Sky Harbor (PHX) 4

22:15
Denver (DEN)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
20:10
Phoenix Sky Harbor (PHX) 4

22:55
Denver (DEN)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN1991
20:20
Denver (DEN)

22:00
Los Angeles (LAX) 1
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
20:20
Denver (DEN)

22:00
Los Angeles (LAX) 1
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
20:20
Denver (DEN)

22:00
Los Angeles (LAX) 1
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
20:20
Denver (DEN)

22:00
Los Angeles (LAX) 1
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN1991
20:20
Denver (DEN)

22:00
Los Angeles (LAX) 1
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1991
05:00
Austin (AUS)

10:55
Philadelphia (PHL) E
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:55, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1991
07:45
Saint Louis (STL) 2

14:10
Orlando (MCO)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:25, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1991
09:25
Houston Hobby (HOU)

12:40
Nashville (BNA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN1991
14:35
Houston Hobby (HOU)

18:10
San Francisco (SFO) 2
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1991
14:35
Houston Hobby (HOU)

18:10
San Francisco (SFO) 2
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1991
14:40
Saint Louis (STL) 2

20:55
Orlando (MCO)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 5:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

22:00
Los Angeles (LAX) 1
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

22:00
Los Angeles (LAX) 1
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

22:00
Los Angeles (LAX) 1
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

22:00
Los Angeles (LAX) 1
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1991
18:10
Atlanta (ATL) N

22:00
Los Angeles (LAX) 1
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1991
18:40
Houston Hobby (HOU)

22:55
Denver (DEN)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1991
05:00
Austin (AUS)

14:10
Orlando (MCO)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 8:10, 2-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Denver (DEN)
  • Atlanta (ATL) - Los Angeles (LAX)
  • Austin (AUS) - Orlando (MCO)
  • Austin (AUS) - Philadelphia (PHL)
  • Austin (AUS) - Saint Louis (STL)
  • Cleveland (CLE) - Tampa (TPA)
  • Denver (DEN) - Los Angeles (LAX)
  • Houston Hobby (HOU) - Denver (DEN)
  • Houston Hobby (HOU) - Jackson (JAN)
  • Houston Hobby (HOU) - Nashville (BNA)
  • Houston Hobby (HOU) - New York LaGuardia (LGA)
  • Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
  • Houston Hobby (HOU) - San Francisco (SFO)
  • Indianapolis (IND) - Fort Lauderdale (FLL)
  • Jackson (JAN) - Nashville (BNA)
  • Las Vegas Harry Reid (LAS) - Des Moines (DSM)
  • Las Vegas Harry Reid (LAS) - San Diego (SAN)
  • Philadelphia (PHL) - Orlando (MCO)
  • Phoenix Sky Harbor (PHX) - Denver (DEN)
  • Phoenix Sky Harbor (PHX) - San Francisco (SFO)
  • Sacramento (SMF) - San Diego (SAN)
  • Saint Louis (STL) - Orlando (MCO)
  • Saint Louis (STL) - Philadelphia (PHL)
All Southwest Airlines flights
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