Southwest Airlines flight WN 3691: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:35 Sacramento (SMF) B 09:50 Denver (DEN) WN 3691 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-08-06 through 2026-09-28
Tue,Wed,Sat 06:55 Sacramento (SMF) B 10:15 Denver (DEN) WN 3691 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-08-04 through 2026-09-30
Sun 09:55 Chicago Midway (MDW) 11:30 Kansas City (MCI) WN 3691 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 10:10 Chicago Midway (MDW) 11:40 Kansas City (MCI) WN 3691 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-03-05 through 2026-04-06
Sat 10:15 Chicago Midway (MDW) 11:45 Kansas City (MCI) WN 3691 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-03-07 through 2026-04-04
Tue,Wed 10:30 Chicago Midway (MDW) 12:00 Kansas City (MCI) WN 3691 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-03-10 through 2026-04-01
Sat 11:50 Chicago O'Hare (ORD) 5 15:30 Tampa (TPA) WN 3691 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-11 through 2026-05-30
Sat 12:20 Kansas City (MCI) 13:10 Denver (DEN) WN 3691 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-03-07 through 2026-04-04
Sat 13:50 Denver (DEN) 15:50 Phoenix Sky Harbor (PHX) 4 WN 3691 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Operates only on 2026-03-07
Sat 13:50 Denver (DEN) 14:50 Phoenix Sky Harbor (PHX) 4 WN 3691 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-03-14 through 2026-04-04
Sat 14:00 Chicago Midway (MDW) 17:40 Sarasota/Bradenton (SRQ) WN 3691 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-02-14 through 2026-02-28
Mon-Fri,Sun 14:00 Chicago O'Hare (ORD) 5 17:50 Tampa (TPA) WN 3691 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-04-07 through 2026-05-22
Mon-Fri,Sun 14:00 Chicago O'Hare (ORD) 5 17:50 Tampa (TPA) WN 3691 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-05-25 through 2026-06-03
Sun 15:45 Chicago O'Hare (ORD) 5 19:30 Tampa (TPA) WN 3691 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-05-24
Mon,Thu,Fri 16:40 San Jose (SJC) B 18:00 Ontario, Los Angeles (ONT) 4 WN 3691 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-06-04 through 2026-08-03
Mon 19:35 Chicago Midway (MDW) 21:45 Cincinnati (CVG) WN 3691 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-01-05
Non-Direct Flights:
Sat 10:15 Chicago Midway (MDW) 13:10 Denver (DEN) WN 3691 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-03-07 through 2026-04-04
Sat 12:20 Kansas City (MCI) 15:50 Phoenix Sky Harbor (PHX) 4 WN 3691 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Operates only on 2026-03-07
Sat 12:20 Kansas City (MCI) 14:50 Phoenix Sky Harbor (PHX) 4 WN 3691 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2026-03-14 through 2026-04-04
Sat 10:15 Chicago Midway (MDW) 15:50 Phoenix Sky Harbor (PHX) 4 WN 3691 2-stop Boeing 737-700 (Scimitar Winglets) 6:35 Operates only on 2026-03-07
Sat 10:15 Chicago Midway (MDW) 14:50 Phoenix Sky Harbor (PHX) 4 WN 3691 2-stop Boeing 737-700 (Scimitar Winglets) 6:35 Effective 2026-03-14 through 2026-04-04

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This flight number is listed as serving the following routes:

Chicago Midway (MDW) - Cincinnati (CVG)
Chicago Midway (MDW) - Denver (DEN)
Chicago Midway (MDW) - Kansas City (MCI)
Chicago Midway (MDW) - Phoenix Sky Harbor (PHX)
Chicago Midway (MDW) - Sarasota/Bradenton (SRQ)
Chicago O'Hare (ORD) - Tampa (TPA)
Denver (DEN) - Phoenix Sky Harbor (PHX)
Kansas City (MCI) - Denver (DEN)
Kansas City (MCI) - Phoenix Sky Harbor (PHX)
Sacramento (SMF) - Denver (DEN)
San Jose (SJC) - Ontario, Los Angeles (ONT)

All Southwest Airlines flights

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Southwest Airlines flight WN 3691: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3691

06:35

Sacramento (SMF) B

09:50

Denver (DEN)

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3691

06:55

Sacramento (SMF) B

10:15

Denver (DEN)

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3691

09:55

Chicago Midway (MDW)

11:30

Kansas City (MCI)

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3691

10:10

Chicago Midway (MDW)

11:40

Kansas City (MCI)

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3691

10:15

Chicago Midway (MDW)

11:45

Kansas City (MCI)

Effective 2026-03-07 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3691

10:30

Chicago Midway (MDW)

12:00

Kansas City (MCI)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3691

11:50

Chicago O'Hare (ORD) 5

15:30

Tampa (TPA)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3691

12:20

Kansas City (MCI)

13:10

Denver (DEN)

Effective 2026-03-07 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3691

13:50

Denver (DEN)

15:50

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3691

13:50

Denver (DEN)

14:50

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3691

14:00

Chicago Midway (MDW)

17:40

Sarasota/Bradenton (SRQ)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3691

14:00

Chicago O'Hare (ORD) 5

17:50

Tampa (TPA)

Effective 2026-04-07 through 2026-05-22

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3691

14:00

Chicago O'Hare (ORD) 5

17:50

Tampa (TPA)

Effective 2026-05-25 through 2026-06-03

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3691

15:45

Chicago O'Hare (ORD) 5

19:30

Tampa (TPA)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3691

16:40

San Jose (SJC) B

18:00

Ontario, Los Angeles (ONT) 4

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3691

19:35

Chicago Midway (MDW)

21:45

Cincinnati (CVG)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3691

10:15

Chicago Midway (MDW)

13:10

Denver (DEN)

Effective 2026-03-07 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3691

12:20

Kansas City (MCI)

15:50

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3691

12:20

Kansas City (MCI)

14:50

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3691

10:15

Chicago Midway (MDW)

15:50

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3691

10:15

Chicago Midway (MDW)

14:50

Phoenix Sky Harbor (PHX) 4

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)

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Parallax here

This flight number is listed as serving the following routes:

Chicago Midway (MDW) - Cincinnati (CVG)
Chicago Midway (MDW) - Denver (DEN)
Chicago Midway (MDW) - Kansas City (MCI)
Chicago Midway (MDW) - Phoenix Sky Harbor (PHX)
Chicago Midway (MDW) - Sarasota/Bradenton (SRQ)
Chicago O'Hare (ORD) - Tampa (TPA)
Denver (DEN) - Phoenix Sky Harbor (PHX)
Kansas City (MCI) - Denver (DEN)
Kansas City (MCI) - Phoenix Sky Harbor (PHX)
Sacramento (SMF) - Denver (DEN)
San Jose (SJC) - Ontario, Los Angeles (ONT)

All Southwest Airlines flights

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- CACHE: False - LANG: en - IS_EU: False