Delta Air Lines flight DL 1240: Atlanta - Detroit

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 10:34 Atlanta (ATL) S 12:33 Detroit (DTW) M
DL 1240 Non-stop Boeing 757 (757) 1:59 Operates only on 2026-01-03
Daily 10:35 Atlanta (ATL) S 12:34 Detroit (DTW) M
DL 1240 Non-stop Airbus A321 (321) 1:59 Effective 2026-04-13 through 2026-07-06
Daily 10:35 Atlanta (ATL) S 12:33 Detroit (DTW) M
DL 1240 Non-stop Airbus A321 (321) 1:58 Effective 2026-07-07 through 2026-10-05
Daily 10:35 Atlanta (ATL) S 12:34 Detroit (DTW) M
DL 1240 Non-stop Airbus A321 (321) 1:59 Effective from 2026-10-06
Mon,Tue,Thu 10:37 Atlanta (ATL) S 12:36 Detroit (DTW) M
DL 1240 Non-stop Boeing 757 (757) 1:59 Valid until 2026-01-01
Fri 10:37 Atlanta (ATL) S 12:36 Detroit (DTW) M
DL 1240 Non-stop Boeing 737-900 (739) 1:59 Operates only on 2026-01-02
Sun 10:42 Atlanta (ATL) S 12:41 Detroit (DTW) M
DL 1240 Non-stop Boeing 737-900 (739) 1:59 Operates only on 2026-01-04
Daily 11:00 Atlanta (ATL) S 12:58 Detroit (DTW) M
DL 1240 Non-stop Boeing 757-300 (753) 1:58 Effective 2026-01-05 through 2026-01-18
Wed 11:00 Atlanta (ATL) S 12:58 Detroit (DTW) M
DL 1240 Non-stop Boeing 757 (757) 1:58 Operates only on 2026-01-28
Mon-Fri,Sun 11:00 Atlanta (ATL) S 12:57 Detroit (DTW) M
DL 1240 Non-stop Boeing 757 (757) 1:57 Effective 2026-03-08 through 2026-04-12
Sat 11:00 Atlanta (ATL) S 12:57 Detroit (DTW) M
DL 1240 Non-stop Airbus A321 (321) 1:57 Effective 2026-03-14 through 2026-04-11
Sat 11:02 Atlanta (ATL) S 13:01 Detroit (DTW) M
DL 1240 Non-stop Boeing 737-900 (739) 1:59 Effective 2026-01-24 through 2026-02-07
Daily 11:02 Atlanta (ATL) S 12:58 Detroit (DTW) M
DL 1240 Non-stop Boeing 737-900 (739) 1:56 Effective 2026-02-12 through 2026-03-07
Mon,Tue,Thu,Fri,Sun 11:04 Atlanta (ATL) S 13:02 Detroit (DTW) M
DL 1240 Non-stop Boeing 757 (757) 1:58 Effective 2026-01-19 through 2026-01-27
Wed 11:04 Atlanta (ATL) S 13:03 Detroit (DTW) M
DL 1240 Non-stop Boeing 737-900 (739) 1:59 Operates only on 2026-01-21
Thu 11:04 Atlanta (ATL) S 13:03 Detroit (DTW) M
DL 1240 Non-stop Boeing 737-900 (739) 1:59 Operates only on 2026-01-29
Mon-Fri,Sun 11:04 Atlanta (ATL) S 13:02 Detroit (DTW) M
DL 1240 Non-stop Boeing 757 (757) 1:58 Effective 2026-01-30 through 2026-02-11
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Delta Air Lines flight DL 1240:
Atlanta - Detroit
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL1240
10:34
Atlanta (ATL) S

12:33
Detroit (DTW) M
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:59, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1240
10:35
Atlanta (ATL) S

12:34
Detroit (DTW) M
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Airbus A321 (321)
Direct Flights:
Delta Air Lines DL1240
10:35
Atlanta (ATL) S

12:33
Detroit (DTW) M
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:58, non-stop
Airbus A321 (321)
Direct Flights:
Delta Air Lines DL1240
10:35
Atlanta (ATL) S

12:34
Detroit (DTW) M
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Airbus A321 (321)
Direct Flights:
Delta Air Lines DL1240
10:37
Atlanta (ATL) S

12:36
Detroit (DTW) M
Valid until 2026-01-01
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:59, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1240
10:37
Atlanta (ATL) S

12:36
Detroit (DTW) M
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:59, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1240
10:42
Atlanta (ATL) S

12:41
Detroit (DTW) M
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:59, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1240
11:00
Atlanta (ATL) S

12:58
Detroit (DTW) M
Effective 2026-01-05 through 2026-01-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:58, non-stop
Boeing 757-300 (753)
Direct Flights:
Delta Air Lines DL1240
11:00
Atlanta (ATL) S

12:58
Detroit (DTW) M
Operates only on 2026-01-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:58, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1240
11:00
Atlanta (ATL) S

12:57
Detroit (DTW) M
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:57, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1240
11:00
Atlanta (ATL) S

12:57
Detroit (DTW) M
Effective 2026-03-14 through 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:57, non-stop
Airbus A321 (321)
Direct Flights:
Delta Air Lines DL1240
11:02
Atlanta (ATL) S

13:01
Detroit (DTW) M
Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:59, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1240
11:02
Atlanta (ATL) S

12:58
Detroit (DTW) M
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:56, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1240
11:04
Atlanta (ATL) S

13:02
Detroit (DTW) M
Effective 2026-01-19 through 2026-01-27
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:58, non-stop
Boeing 757 (757)
Direct Flights:
Delta Air Lines DL1240
11:04
Atlanta (ATL) S

13:03
Detroit (DTW) M
Operates only on 2026-01-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:59, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1240
11:04
Atlanta (ATL) S

13:03
Detroit (DTW) M
Operates only on 2026-01-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:59, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1240
11:04
Atlanta (ATL) S

13:02
Detroit (DTW) M
Effective 2026-01-30 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:58, non-stop
Boeing 757 (757)
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Parallax here ATL-DTW
  • DL 1240 is a domestic flight departing from the Atlanta airport (ATL) and arriving at Detroit airport (DTW).
  • The flight distance is 595 miles, or 958 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:56 and 1:59.
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