Southwest Airlines flights from Atlanta (ATL) to Denver (DEN).

FLIGHT SCHEDULE
Direct Flights:
Sun 14:40 Atlanta (ATL) N 15:50 Denver (DEN) Southwest Airlines WN 3063 Non-stop Boeing 737-700 (73W) 3:10 Operates only on 2025-08-31
Sun 19:55 Atlanta (ATL) N 21:30 Denver (DEN) Southwest Airlines WN 3107 Non-stop Boeing 737-700 (73W) 3:35 Valid until 2025-05-18
Sun 20:10 Atlanta (ATL) N 21:45 Denver (DEN) Southwest Airlines WN 3107 Non-stop Boeing 737-700 (73W) 3:35 Operates only on 2025-06-01
Sun 10:40 Atlanta (ATL) N 12:05 Denver (DEN) Southwest Airlines WN 3529 Non-stop Boeing 737-800 (73H) 3:25 Operates only on 2025-11-30
Mon,Thu,Fri 06:05 Atlanta (ATL) N 07:25 Denver (DEN) Southwest Airlines WN 3692 Non-stop Boeing 737-700 (73W) 3:20 Valid until 2025-06-02
Fri 16:45 Atlanta (ATL) N 18:10 Denver (DEN) Southwest Airlines WN 3898 Non-stop Boeing 737-700 (73W) 3:25 Operates only on 2025-07-04
Sun 06:40 Atlanta (ATL) N 07:55 Denver (DEN) Southwest Airlines WN 4054 Non-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-10-05 through 2025-10-26
Sat 07:10 Atlanta (ATL) N 08:30 Denver (DEN) Southwest Airlines WN 4054 Non-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 08:50 Atlanta (ATL) N 10:10 Denver (DEN) Southwest Airlines WN 4054 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2025-10-02 through 2025-10-31
Tue,Wed 15:10 Atlanta (ATL) N 16:25 Denver (DEN) Southwest Airlines WN 4054 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-10-07 through 2025-10-29
Sun 19:30 Atlanta (ATL) N 20:55 Denver (DEN) Southwest Airlines WN 4295 Non-stop Boeing 737-700 (73W) 3:25 Effective 2025-06-08 through 2025-08-03
Sun 19:25 Atlanta (ATL) N 20:40 Denver (DEN) Southwest Airlines WN 4356 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Operates only on 2025-08-31
Sun 20:25 Atlanta (ATL) N 21:40 Denver (DEN) Southwest Airlines WN 4356 Non-stop Boeing 737-700 (73W) 3:15 Effective 2025-08-10 through 2025-08-24
Sun 20:25 Atlanta (ATL) N 21:40 Denver (DEN) Southwest Airlines WN 4356 Non-stop Boeing 737-700 (73W) 3:15 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 18:50 Atlanta (ATL) N 20:05 Denver (DEN) Southwest Airlines WN 4475 Non-stop Boeing 737-700 (73W) 3:15 Effective 2025-08-07 through 2025-09-29
Sun 08:25 Atlanta (ATL) N 09:40 Denver (DEN) Southwest Airlines WN 4804 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-06-08 through 2025-08-03
Fri 12:50 Atlanta (ATL) N 14:00 Denver (DEN) Southwest Airlines WN 5555 Non-stop Boeing 737-700 (73W) 3:10 Operates only on 2025-07-04
Non-Direct Flights:
Fri 11:05 Atlanta (ATL) N 14:15 Denver (DEN) Southwest Airlines WN 140 1-stop Boeing 737 MAX 8 (7M8) 5:10 Operates only on 2025-07-04
Mon,Thu,Fri 12:00 Atlanta (ATL) N 14:25 Denver (DEN) Southwest Airlines WN 410 1-stop Boeing 737-700 (73W) 4:25 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 15:05 Atlanta (ATL) N 18:55 Denver (DEN) Southwest Airlines WN 444 1-stop Boeing 737-700 (73W) 5:50 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 15:05 Atlanta (ATL) N 18:55 Denver (DEN) Southwest Airlines WN 444 1-stop Boeing 737-700 (73W) 5:50 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri,Sun 15:50 Atlanta (ATL) N 18:30 Denver (DEN) Southwest Airlines WN 454 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 15:50 Atlanta (ATL) N 18:30 Denver (DEN) Southwest Airlines WN 454 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2025-11-21 through 2025-11-28
Fri,Sun 15:50 Atlanta (ATL) N 18:30 Denver (DEN) Southwest Airlines WN 454 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2025-12-07 through 2025-12-14
Thu 15:50 Atlanta (ATL) N 18:30 Denver (DEN) Southwest Airlines WN 454 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Operates only on 2025-12-18
Mon 15:50 Atlanta (ATL) N 18:30 Denver (DEN) Southwest Airlines WN 454 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Operates only on 2026-01-05
Sat 10:10 Atlanta (ATL) N 13:50 Denver (DEN) Southwest Airlines WN 1207 1-stop Boeing 737-700 (Scimitar Winglets) 5:40 Effective 2025-11-22 through 2025-11-29
Sat 10:10 Atlanta (ATL) N 13:50 Denver (DEN) Southwest Airlines WN 1207 1-stop Boeing 737-700 (Scimitar Winglets) 5:40 Effective 2025-12-20 through 2026-01-03
Sun 15:25 Atlanta (ATL) N 20:00 Denver (DEN) Southwest Airlines WN 1557 1-stop Boeing 737-700 (73W) 6:35 Operates only on 2025-05-25
Sat 15:00 Atlanta (ATL) N 17:55 Denver (DEN) Southwest Airlines WN 2271 1-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2025-10-04 through 2025-11-01
Sat 11:20 Atlanta (ATL) N 14:30 Denver (DEN) Southwest Airlines WN 3171 1-stop Boeing 737-700 (73W) 5:10 Effective 2025-06-07 through 2025-08-02
Sun 17:55 Atlanta (ATL) N 21:05 Denver (DEN) Southwest Airlines WN 3815 1-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2025-10-05 through 2025-10-26
Tue,Wed 07:35 Atlanta (ATL) N 10:50 Denver (DEN) Southwest Airlines WN 3816 1-stop Boeing 737-800 (73H) 5:15 Effective 2025-06-10 through 2025-07-30
Sun 10:25 Atlanta (ATL) N 15:10 Denver (DEN) Southwest Airlines WN 133 2-stop Boeing 737-700 (Scimitar Winglets) 6:45 Operates only on 2025-11-30
Mon,Thu,Fri 16:00 Atlanta (ATL) N 20:45 Denver (DEN) Southwest Airlines WN 1057 2-stop Boeing 737-700 (73W) 6:45 Effective 2025-08-07 through 2025-09-29
Tue,Wed 12:45 Atlanta (ATL) N 18:45 Denver (DEN) Southwest Airlines WN 1083 2-stop Boeing 737-700 (73W) 8:00 Effective 2025-06-10 through 2025-07-30
Tue,Wed 15:55 Atlanta (ATL) N 20:40 Denver (DEN) Southwest Airlines WN 2704 2-stop Boeing 737-700 (Scimitar Winglets) 6:45 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri,Sun 10:00 Atlanta (ATL) N 16:05 Denver (DEN) Southwest Airlines WN 2901 2-stop Boeing 737-700 (Scimitar Winglets) 8:05 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 10:00 Atlanta (ATL) N 16:05 Denver (DEN) Southwest Airlines WN 2901 2-stop Boeing 737-700 (Scimitar Winglets) 8:05 Effective 2025-11-21 through 2025-11-28
Fri,Sun 10:00 Atlanta (ATL) N 16:05 Denver (DEN) Southwest Airlines WN 2901 2-stop Boeing 737-700 (Scimitar Winglets) 8:05 Effective 2025-12-07 through 2025-12-14
Thu 10:00 Atlanta (ATL) N 16:05 Denver (DEN) Southwest Airlines WN 2901 2-stop Boeing 737-700 (Scimitar Winglets) 8:05 Operates only on 2025-12-18
Mon 10:00 Atlanta (ATL) N 16:05 Denver (DEN) Southwest Airlines WN 2901 2-stop Boeing 737-700 (Scimitar Winglets) 8:05 Operates only on 2026-01-05
Sun 12:35 Atlanta (ATL) N 21:50 Denver (DEN) Southwest Airlines WN 4762 3-stop Boeing 737-700 (73W) 11:15 Operates only on 2025-05-25

1 2 3

A domestic route departing from the Atlanta airport (ATL) and arriving at Denver airport (DEN).
The flight distance is 1196 miles, or 1925 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 3:10 and 3:35.

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Southwest Airlines flights from Atlanta (ATL) to Denver (DEN).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3063

14:40

Atlanta (ATL) N

15:50

Denver (DEN)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3107

19:55

Atlanta (ATL) N

21:30

Denver (DEN)

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3107

20:10

Atlanta (ATL) N

21:45

Denver (DEN)

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3529

10:40

Atlanta (ATL) N

12:05

Denver (DEN)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3692

06:05

Atlanta (ATL) N

07:25

Denver (DEN)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3898

16:45

Atlanta (ATL) N

18:10

Denver (DEN)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4054

06:40

Atlanta (ATL) N

07:55

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4054

07:10

Atlanta (ATL) N

08:30

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4054

08:50

Atlanta (ATL) N

10:10

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4054

15:10

Atlanta (ATL) N

16:25

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4295

19:30

Atlanta (ATL) N

20:55

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4356

19:25

Atlanta (ATL) N

20:40

Denver (DEN)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4356

20:25

Atlanta (ATL) N

21:40

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4356

20:25

Atlanta (ATL) N

21:40

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4475

18:50

Atlanta (ATL) N

20:05

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4804

08:25

Atlanta (ATL) N

09:40

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN5555

12:50

Atlanta (ATL) N

14:00

Denver (DEN)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:10, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN140

11:05

Atlanta (ATL) N

14:15

Denver (DEN)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 5:10, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN410

12:00

Atlanta (ATL) N

14:25

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:25, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN444

15:05

Atlanta (ATL) N

18:55

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:50, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN444

15:05

Atlanta (ATL) N

18:55

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:50, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN454

15:50

Atlanta (ATL) N

18:30

Denver (DEN)

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN454

15:50

Atlanta (ATL) N

18:30

Denver (DEN)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN454

15:50

Atlanta (ATL) N

18:30

Denver (DEN)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN454

15:50

Atlanta (ATL) N

18:30

Denver (DEN)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN454

15:50

Atlanta (ATL) N

18:30

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1207

10:10

Atlanta (ATL) N

13:50

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1207

10:10

Atlanta (ATL) N

13:50

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1557

15:25

Atlanta (ATL) N

20:00

Denver (DEN)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN2271

15:00

Atlanta (ATL) N

17:55

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:55, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3171

11:20

Atlanta (ATL) N

14:30

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:10, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN3815

17:55

Atlanta (ATL) N

21:05

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:10, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3816

07:35

Atlanta (ATL) N

10:50

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:15, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN133

10:25

Atlanta (ATL) N

15:10

Denver (DEN)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:45, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1057

16:00

Atlanta (ATL) N

20:45

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 6:45, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN1083

12:45

Atlanta (ATL) N

18:45

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:00, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN2704

15:55

Atlanta (ATL) N

20:40

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:45, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2901

10:00

Atlanta (ATL) N

16:05

Denver (DEN)

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 8:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2901

10:00

Atlanta (ATL) N

16:05

Denver (DEN)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 8:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2901

10:00

Atlanta (ATL) N

16:05

Denver (DEN)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 8:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2901

10:00

Atlanta (ATL) N

16:05

Denver (DEN)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 8:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2901

10:00

Atlanta (ATL) N

16:05

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4762

12:35

Atlanta (ATL) N

21:50

Denver (DEN)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 11:15, 3-stop
Boeing 737-700 (73W)

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A domestic route departing from the Atlanta airport (ATL) and arriving at Denver airport (DEN).
The flight distance is 1196 miles, or 1925 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 3:10 and 3:35.

All ATL-DEN flights

All Southwest Airlines flights

Return (DEN-ATL) flights

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