Southwest Airlines flights from Denver (DEN) to New York LaGuardia (LGA).

FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:40 Denver (DEN) 12:15 New York LaGuardia (LGA) B Southwest Airlines WN 291 Non-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-10-02 through 2025-10-31
Sun 07:30 Denver (DEN) 13:05 New York LaGuardia (LGA) B Southwest Airlines WN 291 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-10-05 through 2025-10-26
Sat 08:00 Denver (DEN) 13:40 New York LaGuardia (LGA) B Southwest Airlines WN 291 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-10-04 through 2025-11-01
Tue,Wed 09:50 Denver (DEN) 15:30 New York LaGuardia (LGA) B Southwest Airlines WN 291 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-10-07 through 2025-10-29
Mon-Fri 06:20 Denver (DEN) 12:00 New York LaGuardia (LGA) B Southwest Airlines WN 359 Non-stop Boeing 737-700 (73W) 3:40 Effective 2025-06-05 through 2025-07-03
Sat 06:20 Denver (DEN) 12:00 New York LaGuardia (LGA) B Southwest Airlines WN 359 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-06-07 through 2025-08-02
Mon-Fri 06:20 Denver (DEN) 12:00 New York LaGuardia (LGA) B Southwest Airlines WN 359 Non-stop Boeing 737-700 (73W) 3:40 Effective 2025-07-07 through 2025-08-04
Fri 06:30 Denver (DEN) 12:10 New York LaGuardia (LGA) B Southwest Airlines WN 359 Non-stop Boeing 737-800 (73H) 3:40 Operates only on 2025-07-04
Sun 07:30 Denver (DEN) 13:10 New York LaGuardia (LGA) B Southwest Airlines WN 359 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-06-08 through 2025-08-03
Tue,Wed 12:35 Denver (DEN) 18:20 New York LaGuardia (LGA) B Southwest Airlines WN 697 Non-stop Boeing 737-700 (73W) 3:45 Effective 2025-06-10 through 2025-07-30
Fri 17:10 Denver (DEN) 22:55 New York LaGuardia (LGA) B Southwest Airlines WN 697 Non-stop Boeing 737-800 (73H) 3:45 Operates only on 2025-07-04
Mon,Thu,Fri 17:15 Denver (DEN) 23:00 New York LaGuardia (LGA) B Southwest Airlines WN 697 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 17:15 Denver (DEN) 23:00 New York LaGuardia (LGA) B Southwest Airlines WN 697 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2025-07-07 through 2025-08-04
Sat 16:45 Denver (DEN) 22:20 New York LaGuardia (LGA) B Southwest Airlines WN 727 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-11-22 through 2025-11-29
Sat 16:45 Denver (DEN) 22:20 New York LaGuardia (LGA) B Southwest Airlines WN 727 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-20 through 2026-01-03
Mon-Wed 16:55 Denver (DEN) 22:30 New York LaGuardia (LGA) B Southwest Airlines WN 727 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 16:55 Denver (DEN) 22:30 New York LaGuardia (LGA) B Southwest Airlines WN 727 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-19 through 2026-01-04
Sun 14:15 Denver (DEN) 20:00 New York LaGuardia (LGA) B Southwest Airlines WN 844 Non-stop Boeing 737-800 (73H) 3:45 Operates only on 2025-05-25
Mon,Thu,Fri 06:40 Denver (DEN) 12:20 New York LaGuardia (LGA) B Southwest Airlines WN 938 Non-stop Boeing 737-700 (73W) 3:40 Effective 2025-08-07 through 2025-09-29
Tue,Wed 09:50 Denver (DEN) 15:40 New York LaGuardia (LGA) B Southwest Airlines WN 938 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-08-05 through 2025-10-01
Sat 12:30 Denver (DEN) 18:15 New York LaGuardia (LGA) B Southwest Airlines WN 977 Non-stop Boeing 737-800 (73H) 3:45 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 14:25 Denver (DEN) 20:05 New York LaGuardia (LGA) B Southwest Airlines WN 977 Non-stop Boeing 737-700 (73W) 3:40 Effective 2025-08-07 through 2025-09-29
Sun 17:25 Denver (DEN) 23:10 New York LaGuardia (LGA) B Southwest Airlines WN 977 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2025-08-31
Tue,Wed 17:35 Denver (DEN) 23:25 New York LaGuardia (LGA) B Southwest Airlines WN 977 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-08-05 through 2025-10-01
Sun 17:35 Denver (DEN) 23:25 New York LaGuardia (LGA) B Southwest Airlines WN 977 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-08-10 through 2025-08-24
Sun 17:35 Denver (DEN) 23:25 New York LaGuardia (LGA) B Southwest Airlines WN 977 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-09-07 through 2025-09-28
Thu 06:35 Denver (DEN) 12:20 New York LaGuardia (LGA) B Southwest Airlines WN 1405 Non-stop Boeing 737-700 (Scimitar Winglets) 3:45 Operates only on 2025-11-27
Sun 07:20 Denver (DEN) 13:00 New York LaGuardia (LGA) B Southwest Airlines WN 1448 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-08-10 through 2025-08-24
Sun 07:20 Denver (DEN) 13:00 New York LaGuardia (LGA) B Southwest Airlines WN 1448 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-09-07 through 2025-09-28
Sun 07:40 Denver (DEN) 13:20 New York LaGuardia (LGA) B Southwest Airlines WN 1448 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Operates only on 2025-08-31
Sat 17:05 Denver (DEN) 22:40 New York LaGuardia (LGA) B Southwest Airlines WN 1574 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-11-08 through 2025-11-15
Sat 17:05 Denver (DEN) 22:40 New York LaGuardia (LGA) B Southwest Airlines WN 1574 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-06 through 2025-12-13
Tue,Wed 17:20 Denver (DEN) 22:55 New York LaGuardia (LGA) B Southwest Airlines WN 1574 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 17:20 Denver (DEN) 22:55 New York LaGuardia (LGA) B Southwest Airlines WN 1574 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 17:20 Denver (DEN) 22:55 New York LaGuardia (LGA) B Southwest Airlines WN 1574 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 17:20 Denver (DEN) 22:55 New York LaGuardia (LGA) B Southwest Airlines WN 1574 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 17:20 Denver (DEN) 22:55 New York LaGuardia (LGA) B Southwest Airlines WN 1574 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-24 through 2026-01-01
Tue,Wed 06:20 Denver (DEN) 12:00 New York LaGuardia (LGA) B Southwest Airlines WN 1864 Non-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 14:25 Denver (DEN) 20:05 New York LaGuardia (LGA) B Southwest Airlines WN 1864 Non-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2025-10-02 through 2025-10-31
Sun 14:40 Denver (DEN) 20:20 New York LaGuardia (LGA) B Southwest Airlines WN 1864 Non-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2025-10-05 through 2025-10-26
Tue,Wed 12:25 Denver (DEN) 18:10 New York LaGuardia (LGA) B Southwest Airlines WN 1872 Non-stop Boeing 737-800 (73H) 3:45 Effective 2025-08-05 through 2025-10-01
Thu 11:25 Denver (DEN) 17:00 New York LaGuardia (LGA) B Southwest Airlines WN 1934 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Operates only on 2025-11-27
Sat 09:30 Denver (DEN) 15:15 New York LaGuardia (LGA) B Southwest Airlines WN 1964 Non-stop Boeing 737-800 (73H) 3:45 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 10:10 Denver (DEN) 15:55 New York LaGuardia (LGA) B Southwest Airlines WN 1964 Non-stop Boeing 737-700 (73W) 3:45 Effective 2025-08-07 through 2025-09-29
Sun 10:35 Denver (DEN) 16:15 New York LaGuardia (LGA) B Southwest Airlines WN 1964 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Operates only on 2025-08-31
Sun 10:45 Denver (DEN) 16:25 New York LaGuardia (LGA) B Southwest Airlines WN 1964 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-08-10 through 2025-08-24
Sun 10:45 Denver (DEN) 16:25 New York LaGuardia (LGA) B Southwest Airlines WN 1964 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-09-07 through 2025-09-28
Tue,Wed 12:50 Denver (DEN) 18:25 New York LaGuardia (LGA) B Southwest Airlines WN 2040 Non-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 12:50 Denver (DEN) 18:25 New York LaGuardia (LGA) B Southwest Airlines WN 2040 Non-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 12:50 Denver (DEN) 18:25 New York LaGuardia (LGA) B Southwest Airlines WN 2040 Non-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-12-02 through 2025-12-11

1 2 3

A domestic route departing from the Denver airport (DEN) and arriving at New York LaGuardia airport (LGA).
The flight distance is 1614 miles, or 2598 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:35 and 3:50.

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Southwest Airlines flights from Denver (DEN) to New York LaGuardia (LGA).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN291

06:40

Denver (DEN)

12:15

New York LaGuardia (LGA) B

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN291

07:30

Denver (DEN)

13:05

New York LaGuardia (LGA) B

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN291

08:00

Denver (DEN)

13:40

New York LaGuardia (LGA) B

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN291

09:50

Denver (DEN)

15:30

New York LaGuardia (LGA) B

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN359

06:20

Denver (DEN)

12:00

New York LaGuardia (LGA) B

Effective 2025-06-05 through 2025-07-03

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN359

06:20

Denver (DEN)

12:00

New York LaGuardia (LGA) B

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN359

06:20

Denver (DEN)

12:00

New York LaGuardia (LGA) B

Effective 2025-07-07 through 2025-08-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN359

06:30

Denver (DEN)

12:10

New York LaGuardia (LGA) B

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN359

07:30

Denver (DEN)

13:10

New York LaGuardia (LGA) B

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN697

12:35

Denver (DEN)

18:20

New York LaGuardia (LGA) B

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN697

17:10

Denver (DEN)

22:55

New York LaGuardia (LGA) B

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN697

17:15

Denver (DEN)

23:00

New York LaGuardia (LGA) B

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN697

17:15

Denver (DEN)

23:00

New York LaGuardia (LGA) B

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN727

16:45

Denver (DEN)

22:20

New York LaGuardia (LGA) B

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN727

16:45

Denver (DEN)

22:20

New York LaGuardia (LGA) B

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN727

16:55

Denver (DEN)

22:30

New York LaGuardia (LGA) B

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN727

16:55

Denver (DEN)

22:30

New York LaGuardia (LGA) B

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN844

14:15

Denver (DEN)

20:00

New York LaGuardia (LGA) B

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN938

06:40

Denver (DEN)

12:20

New York LaGuardia (LGA) B

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN938

09:50

Denver (DEN)

15:40

New York LaGuardia (LGA) B

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN977

12:30

Denver (DEN)

18:15

New York LaGuardia (LGA) B

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN977

14:25

Denver (DEN)

20:05

New York LaGuardia (LGA) B

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN977

17:25

Denver (DEN)

23:10

New York LaGuardia (LGA) B

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN977

17:35

Denver (DEN)

23:25

New York LaGuardia (LGA) B

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN977

17:35

Denver (DEN)

23:25

New York LaGuardia (LGA) B

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN977

17:35

Denver (DEN)

23:25

New York LaGuardia (LGA) B

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1405

06:35

Denver (DEN)

12:20

New York LaGuardia (LGA) B

Operates only on 2025-11-27

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1448

07:20

Denver (DEN)

13:00

New York LaGuardia (LGA) B

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1448

07:20

Denver (DEN)

13:00

New York LaGuardia (LGA) B

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1448

07:40

Denver (DEN)

13:20

New York LaGuardia (LGA) B

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1574

17:05

Denver (DEN)

22:40

New York LaGuardia (LGA) B

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1574

17:05

Denver (DEN)

22:40

New York LaGuardia (LGA) B

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1574

17:20

Denver (DEN)

22:55

New York LaGuardia (LGA) B

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1574

17:20

Denver (DEN)

22:55

New York LaGuardia (LGA) B

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1574

17:20

Denver (DEN)

22:55

New York LaGuardia (LGA) B

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1574

17:20

Denver (DEN)

22:55

New York LaGuardia (LGA) B

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1574

17:20

Denver (DEN)

22:55

New York LaGuardia (LGA) B

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1864

06:20

Denver (DEN)

12:00

New York LaGuardia (LGA) B

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1864

14:25

Denver (DEN)

20:05

New York LaGuardia (LGA) B

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1864

14:40

Denver (DEN)

20:20

New York LaGuardia (LGA) B

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1872

12:25

Denver (DEN)

18:10

New York LaGuardia (LGA) B

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1934

11:25

Denver (DEN)

17:00

New York LaGuardia (LGA) B

Operates only on 2025-11-27

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1964

09:30

Denver (DEN)

15:15

New York LaGuardia (LGA) B

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1964

10:10

Denver (DEN)

15:55

New York LaGuardia (LGA) B

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1964

10:35

Denver (DEN)

16:15

New York LaGuardia (LGA) B

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1964

10:45

Denver (DEN)

16:25

New York LaGuardia (LGA) B

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 WN1964

10:45

Denver (DEN)

16:25

New York LaGuardia (LGA) B

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 WN2040

12:50

Denver (DEN)

18:25

New York LaGuardia (LGA) B

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2040

12:50

Denver (DEN)

18:25

New York LaGuardia (LGA) B

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2040

12:50

Denver (DEN)

18:25

New York LaGuardia (LGA) B

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)

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A domestic route departing from the Denver airport (DEN) and arriving at New York LaGuardia airport (LGA).
The flight distance is 1614 miles, or 2598 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:35 and 3:50.

All DEN-LGA flights

All Southwest Airlines flights

Return (LGA-DEN) flights

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