Delta Air Lines flight DL 1400: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 08:55 Atlanta (ATL) S 09:40 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:45 Effective 2026-06-13 through 2026-07-04
Sat 08:55 Atlanta (ATL) S 09:36 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:41 Effective 2026-07-11 through 2026-08-08
Daily 10:00 Atlanta (ATL) S 10:45 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:45 Effective 2026-04-13 through 2026-06-12
Mon-Fri,Sun 10:00 Atlanta (ATL) S 10:45 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:45 Effective 2026-06-14 through 2026-07-06
Mon-Fri,Sun 10:00 Atlanta (ATL) S 10:41 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:41 Effective 2026-07-07 through 2026-08-14
Daily 10:00 Atlanta (ATL) S 10:41 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:41 Effective 2026-08-15 through 2026-10-05
Daily 10:00 Atlanta (ATL) S 10:48 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:48 Effective from 2026-10-06
Mon 10:07 Atlanta (ATL) S 10:55 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-900 (739) 1:48 Operates only on 2026-01-05
Thu,Fri 10:15 Atlanta (ATL) S 11:02 Saint Louis (STL) 1 DL 1400 Non-stop Airbus A320 (320) 1:47 Effective 2026-01-08 through 2026-01-09
Sat 10:15 Atlanta (ATL) S 11:02 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 717 (717) 1:47 Effective 2026-01-10 through 2026-01-17
Daily 10:15 Atlanta (ATL) S 11:02 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 717 (717) 1:47 Effective 2026-02-12 through 2026-03-07
Mon-Wed,Sun 10:17 Atlanta (ATL) S 11:05 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:48 Effective 2026-01-06 through 2026-01-14
Thu,Fri,Sun 10:17 Atlanta (ATL) S 11:05 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 737-800 (738) 1:48 Effective 2026-01-15 through 2026-01-18
Mon,Thu,Fri,Sun 10:17 Atlanta (ATL) S 11:04 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 717 (717) 1:47 Effective 2026-01-19 through 2026-02-06
Mon 10:17 Atlanta (ATL) S 11:04 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 717 (717) 1:47 Operates only on 2026-02-09
Daily 10:25 Atlanta (ATL) S 12:13 Washington Dulles (IAD) DL 1400 Non-stop Boeing 717 (717) 1:48 Valid until 2026-01-04
Mon,Thu,Fri,Sun 10:50 Atlanta (ATL) S 11:36 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 717 (717) 1:46 Effective 2026-03-08 through 2026-04-12
Sat 10:55 Saint Louis (STL) 1 13:32 Atlanta (ATL) S DL 1400 Non-stop Boeing 737-800 (738) 1:37 Effective 2026-06-13 through 2026-08-08
Tue,Wed,Sat 11:00 Atlanta (ATL) S 11:45 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 717 (717) 1:45 Effective 2026-03-10 through 2026-04-11
Tue,Wed,Sat 11:10 Atlanta (ATL) S 11:54 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 717 (717) 1:44 Effective 2026-01-20 through 2026-01-28
Sat 11:10 Atlanta (ATL) S 11:54 Saint Louis (STL) 1 DL 1400 Non-stop Airbus A321 (321) 1:44 Operates only on 2026-01-31
Tue,Wed,Sat,Sun 11:10 Atlanta (ATL) S 11:54 Saint Louis (STL) 1 DL 1400 Non-stop Boeing 717 (717) 1:44 Effective 2026-02-03 through 2026-02-11
Daily 11:51 Saint Louis (STL) 1 14:28 Atlanta (ATL) S DL 1400 Non-stop Boeing 737-800 (738) 1:37 Effective 2026-04-13 through 2026-06-12
Mon-Fri,Sun 11:51 Saint Louis (STL) 1 14:28 Atlanta (ATL) S DL 1400 Non-stop Boeing 737-800 (738) 1:37 Effective 2026-06-14 through 2026-08-14
Daily 11:51 Saint Louis (STL) 1 14:28 Atlanta (ATL) S DL 1400 Non-stop Boeing 737-800 (738) 1:37 Effective 2026-08-15 through 2026-10-05
Daily 11:51 Saint Louis (STL) 1 14:30 Atlanta (ATL) S DL 1400 Non-stop Boeing 737-800 (738) 1:39 Effective from 2026-10-06
Daily 11:55 Saint Louis (STL) 1 14:29 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:34 Effective 2026-02-12 through 2026-03-07
Mon 12:00 Saint Louis (STL) 1 14:35 Atlanta (ATL) S DL 1400 Non-stop Boeing 737-900 (739) 1:35 Operates only on 2026-01-05
Mon-Wed,Sun 12:00 Saint Louis (STL) 1 14:35 Atlanta (ATL) S DL 1400 Non-stop Boeing 737-800 (738) 1:35 Effective 2026-01-06 through 2026-01-14
Thu,Fri 12:00 Saint Louis (STL) 1 14:36 Atlanta (ATL) S DL 1400 Non-stop Airbus A320 (320) 1:36 Effective 2026-01-08 through 2026-01-09
Sat 12:00 Saint Louis (STL) 1 14:36 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:36 Effective 2026-01-10 through 2026-01-17
Thu,Fri,Sun 12:00 Saint Louis (STL) 1 14:35 Atlanta (ATL) S DL 1400 Non-stop Boeing 737-800 (738) 1:35 Effective 2026-01-15 through 2026-01-18
Mon,Thu,Fri,Sun 12:00 Saint Louis (STL) 1 14:36 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:36 Effective 2026-01-19 through 2026-02-06
Mon 12:00 Saint Louis (STL) 1 14:36 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:36 Operates only on 2026-02-09
Mon,Thu,Fri,Sun 12:22 Saint Louis (STL) 1 14:56 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:34 Effective 2026-03-08 through 2026-04-12
Daily 12:58 Washington Dulles (IAD) 14:57 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:59 Valid until 2026-01-04
Tue,Wed,Sat 13:00 Saint Louis (STL) 1 15:35 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:35 Effective 2026-01-20 through 2026-01-28
Sat 13:00 Saint Louis (STL) 1 15:35 Atlanta (ATL) S DL 1400 Non-stop Airbus A321 (321) 1:35 Operates only on 2026-01-31
Tue,Wed,Sat,Sun 13:00 Saint Louis (STL) 1 15:35 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:35 Effective 2026-02-03 through 2026-02-11
Tue,Wed,Sat 13:00 Saint Louis (STL) 1 15:38 Atlanta (ATL) S DL 1400 Non-stop Boeing 717 (717) 1:38 Effective 2026-03-10 through 2026-04-11

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Saint Louis (STL)
Atlanta (ATL) - Washington Dulles (IAD)

All Delta Air Lines flights

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Delta Air Lines flight DL 1400: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Delta Air Lines DL1400

08:55

Atlanta (ATL) S

09:40

Saint Louis (STL) 1

Effective 2026-06-13 through 2026-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

08:55

Atlanta (ATL) S

09:36

Saint Louis (STL) 1

Effective 2026-07-11 through 2026-08-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:41, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

10:00

Atlanta (ATL) S

10:45

Saint Louis (STL) 1

Effective 2026-04-13 through 2026-06-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:45, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

10:00

Atlanta (ATL) S

10:45

Saint Louis (STL) 1

Effective 2026-06-14 through 2026-07-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

10:00

Atlanta (ATL) S

10:41

Saint Louis (STL) 1

Effective 2026-07-07 through 2026-08-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:41, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

10:00

Atlanta (ATL) S

10:41

Saint Louis (STL) 1

Effective 2026-08-15 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:41, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

10:00

Atlanta (ATL) S

10:48

Saint Louis (STL) 1

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

10:07

Atlanta (ATL) S

10:55

Saint Louis (STL) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:48, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1400

10:15

Atlanta (ATL) S

11:02

Saint Louis (STL) 1

Effective 2026-01-08 through 2026-01-09

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:47, non-stop
Airbus A320 (320)

Direct Flights:

Delta Air Lines DL1400

10:15

Atlanta (ATL) S

11:02

Saint Louis (STL) 1

Effective 2026-01-10 through 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:47, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

10:15

Atlanta (ATL) S

11:02

Saint Louis (STL) 1

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:47, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

10:17

Atlanta (ATL) S

11:05

Saint Louis (STL) 1

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

10:17

Atlanta (ATL) S

11:05

Saint Louis (STL) 1

Effective 2026-01-15 through 2026-01-18

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

10:17

Atlanta (ATL) S

11:04

Saint Louis (STL) 1

Effective 2026-01-19 through 2026-02-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:47, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

10:17

Atlanta (ATL) S

11:04

Saint Louis (STL) 1

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:47, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

10:25

Atlanta (ATL) S

12:13

Washington Dulles (IAD)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:48, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

10:50

Atlanta (ATL) S

11:36

Saint Louis (STL) 1

Effective 2026-03-08 through 2026-04-12

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:46, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

10:55

Saint Louis (STL) 1

13:32

Atlanta (ATL) S

Effective 2026-06-13 through 2026-08-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:37, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

11:00

Atlanta (ATL) S

11:45

Saint Louis (STL) 1

Effective 2026-03-10 through 2026-04-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

11:10

Atlanta (ATL) S

11:54

Saint Louis (STL) 1

Effective 2026-01-20 through 2026-01-28

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:44, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

11:10

Atlanta (ATL) S

11:54

Saint Louis (STL) 1

Operates only on 2026-01-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:44, non-stop
Airbus A321 (321)

Direct Flights:

Delta Air Lines DL1400

11:10

Atlanta (ATL) S

11:54

Saint Louis (STL) 1

Effective 2026-02-03 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Duration: 1:44, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

11:51

Saint Louis (STL) 1

14:28

Atlanta (ATL) S

Effective 2026-04-13 through 2026-06-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:37, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

11:51

Saint Louis (STL) 1

14:28

Atlanta (ATL) S

Effective 2026-06-14 through 2026-08-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:37, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

11:51

Saint Louis (STL) 1

14:28

Atlanta (ATL) S

Effective 2026-08-15 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:37, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

11:51

Saint Louis (STL) 1

14:30

Atlanta (ATL) S

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:39, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

11:55

Saint Louis (STL) 1

14:29

Atlanta (ATL) S

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:34, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

12:00

Saint Louis (STL) 1

14:35

Atlanta (ATL) S

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:35, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1400

12:00

Saint Louis (STL) 1

14:35

Atlanta (ATL) S

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

12:00

Saint Louis (STL) 1

14:36

Atlanta (ATL) S

Effective 2026-01-08 through 2026-01-09

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:36, non-stop
Airbus A320 (320)

Direct Flights:

Delta Air Lines DL1400

12:00

Saint Louis (STL) 1

14:36

Atlanta (ATL) S

Effective 2026-01-10 through 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:36, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

12:00

Saint Louis (STL) 1

14:35

Atlanta (ATL) S

Effective 2026-01-15 through 2026-01-18

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1400

12:00

Saint Louis (STL) 1

14:36

Atlanta (ATL) S

Effective 2026-01-19 through 2026-02-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:36, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

12:00

Saint Louis (STL) 1

14:36

Atlanta (ATL) S

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:36, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

12:22

Saint Louis (STL) 1

14:56

Atlanta (ATL) S

Effective 2026-03-08 through 2026-04-12

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:34, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

12:58

Washington Dulles (IAD)

14:57

Atlanta (ATL) S

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:59, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

13:00

Saint Louis (STL) 1

15:35

Atlanta (ATL) S

Effective 2026-01-20 through 2026-01-28

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

13:00

Saint Louis (STL) 1

15:35

Atlanta (ATL) S

Operates only on 2026-01-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Airbus A321 (321)

Direct Flights:

Delta Air Lines DL1400

13:00

Saint Louis (STL) 1

15:35

Atlanta (ATL) S

Effective 2026-02-03 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Duration: 1:35, non-stop
Boeing 717 (717)

Direct Flights:

Delta Air Lines DL1400

13:00

Saint Louis (STL) 1

15:38

Atlanta (ATL) S

Effective 2026-03-10 through 2026-04-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:38, non-stop
Boeing 717 (717)

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This flight number is listed as serving the following routes:

Atlanta (ATL) - Saint Louis (STL)
Atlanta (ATL) - Washington Dulles (IAD)

All Delta Air Lines flights

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