Southwest Airlines flight WN 3121: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 05:00 Oklahoma City (OKC) 06:55 Chicago Midway (MDW) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-06-04 through 2026-08-03
Tue,Wed 05:00 Oklahoma City (OKC) 06:55 Chicago Midway (MDW) WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 06:10 El Paso (ELP) 07:15 San Diego (SAN) 1 WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-03-05 through 2026-04-06
Tue,Wed 06:30 El Paso (ELP) 07:30 San Diego (SAN) 1 WN 3121 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-03-10 through 2026-04-01
Sat 06:50 El Paso (ELP) 07:50 San Diego (SAN) 1 WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-03-07 through 2026-04-04
Sun 06:50 El Paso (ELP) 07:50 San Diego (SAN) 1 WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-03-08 through 2026-04-05
Mon-Fri 07:50 Chicago Midway (MDW) 11:30 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-06 through 2026-01-14
Wed-Fri,Sun 07:50 Chicago Midway (MDW) 11:30 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-18 through 2026-01-23
Mon-Fri 07:50 Chicago Midway (MDW) 11:30 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 07:50 Chicago Midway (MDW) 11:30 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-08 through 2026-02-11
Tue,Wed 07:50 Chicago Midway (MDW) 11:30 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-02-18 through 2026-03-04
Sun 08:15 Orlando (MCO) 09:55 Houston Hobby (HOU) WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-04-12 through 2026-05-17
Sun 08:15 Orlando (MCO) 09:55 Houston Hobby (HOU) WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Operates only on 2026-05-31
Tue,Wed 08:20 Orlando (MCO) 10:00 Houston Hobby (HOU) WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 08:20 Orlando (MCO) 10:00 Houston Hobby (HOU) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-09 through 2026-06-01
Tue 08:25 Chicago Midway (MDW) 12:10 Tampa (TPA) WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Operates only on 2026-01-20
Tue,Wed 11:20 Burbank (BUR) 12:45 Santa Rosa (STS) WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-08-04 through 2026-09-30
Sat 11:35 Burbank (BUR) 13:05 Santa Rosa (STS) WN 3121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-08-08 through 2026-09-26
Sun 11:45 Orlando (MCO) 13:25 Houston Hobby (HOU) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2026-05-24
Mon,Thu,Fri 13:10 Pensacola (PNS) 14:55 Saint Louis (STL) 2 WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-08-06 through 2026-09-28
Sat 17:35 Chicago Midway (MDW) 21:10 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-10 through 2026-02-07
Sun 17:55 Chicago Midway (MDW) 21:30 Sarasota/Bradenton (SRQ) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-08-09 through 2026-09-27
Thu,Fri,Sun 18:05 Chicago Midway (MDW) 21:40 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-11 through 2026-01-16
Mon,Sun 18:05 Chicago Midway (MDW) 21:40 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 18:05 Chicago Midway (MDW) 21:40 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-01 through 2026-02-06
Mon,Sun 18:05 Chicago Midway (MDW) 21:40 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 18:05 Chicago Midway (MDW) 21:40 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-17 through 2026-02-23
Mon 18:05 Chicago Midway (MDW) 21:40 Tampa (TPA) WN 3121 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-03-02
Mon,Wed,Thu 23:35 Las Vegas Harry Reid (LAS) 1 05:00 Nashville (BNA) WN 3121 Non-stop Boeing 737-800 (73H) 3:25 Valid until 2026-01-05 The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Burbank (BUR) - Santa Rosa (STS)
Chicago Midway (MDW) - Sarasota/Bradenton (SRQ)
Chicago Midway (MDW) - Tampa (TPA)
El Paso (ELP) - San Diego (SAN)
Las Vegas Harry Reid (LAS) - Nashville (BNA)
Oklahoma City (OKC) - Chicago Midway (MDW)
Orlando (MCO) - Houston Hobby (HOU)
Pensacola (PNS) - Saint Louis (STL)

All Southwest Airlines flights

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Southwest Airlines flight WN 3121: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3121

05:00

Oklahoma City (OKC)

06:55

Chicago Midway (MDW)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

05:00

Oklahoma City (OKC)

06:55

Chicago Midway (MDW)

Effective 2026-06-09 through 2026-07-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3121

06:10

El Paso (ELP)

07:15

San Diego (SAN) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3121

06:30

El Paso (ELP)

07:30

San Diego (SAN) 1

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3121

06:50

El Paso (ELP)

07:50

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

06:50

El Paso (ELP)

07:50

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3121

07:50

Chicago Midway (MDW)

11:30

Tampa (TPA)

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 WN3121

07:50

Chicago Midway (MDW)

11:30

Tampa (TPA)

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 WN3121

07:50

Chicago Midway (MDW)

11:30

Tampa (TPA)

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 WN3121

07:50

Chicago Midway (MDW)

11:30

Tampa (TPA)

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 WN3121

07:50

Chicago Midway (MDW)

11:30

Tampa (TPA)

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)

Direct Flights:

Southwest Airlines WN3121

08:15

Orlando (MCO)

09:55

Houston Hobby (HOU)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3121

08:15

Orlando (MCO)

09:55

Houston Hobby (HOU)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3121

08:20

Orlando (MCO)

10:00

Houston Hobby (HOU)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3121

08:20

Orlando (MCO)

10:00

Houston Hobby (HOU)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3121

08:25

Chicago Midway (MDW)

12:10

Tampa (TPA)

Operates only on 2026-01-20

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3121

11:20

Burbank (BUR)

12:45

Santa Rosa (STS)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3121

11:35

Burbank (BUR)

13:05

Santa Rosa (STS)

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3121

11:45

Orlando (MCO)

13:25

Houston Hobby (HOU)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3121

13:10

Pensacola (PNS)

14:55

Saint Louis (STL) 2

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

17:35

Chicago Midway (MDW)

21:10

Tampa (TPA)

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

17:55

Chicago Midway (MDW)

21:30

Sarasota/Bradenton (SRQ)

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

18:05

Chicago Midway (MDW)

21:40

Tampa (TPA)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

18:05

Chicago Midway (MDW)

21:40

Tampa (TPA)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

18:05

Chicago Midway (MDW)

21:40

Tampa (TPA)

Effective 2026-02-01 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

18:05

Chicago Midway (MDW)

21:40

Tampa (TPA)

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

18:05

Chicago Midway (MDW)

21:40

Tampa (TPA)

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

18:05

Chicago Midway (MDW)

21:40

Tampa (TPA)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3121

23:35

Las Vegas Harry Reid (LAS) 1

05:00(+1)

Nashville (BNA)

Valid until 2026-01-05

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

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Parallax here

This flight number is listed as serving the following routes:

Burbank (BUR) - Santa Rosa (STS)
Chicago Midway (MDW) - Sarasota/Bradenton (SRQ)
Chicago Midway (MDW) - Tampa (TPA)
El Paso (ELP) - San Diego (SAN)
Las Vegas Harry Reid (LAS) - Nashville (BNA)
Oklahoma City (OKC) - Chicago Midway (MDW)
Orlando (MCO) - Houston Hobby (HOU)
Pensacola (PNS) - Saint Louis (STL)

All Southwest Airlines flights

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