Delta Air Lines flight DL 3974: Harrisburg - Detroit via Grand Rapids

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FLIGHT SCHEDULE
Direct Flights:
Daily 16:35 Detroit (DTW) M 17:30 Grand Rapids (GRR)
DL 3974 Non-stop Canadair CRJ 900 (CR9) 0:55 Effective 2025-12-20 through 2026-01-05
Mon-Fri,Sun 16:50 Harrisburg (MDT) 18:23 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:33 Effective 2025-05-07 through 2025-05-21
Mon-Fri 16:50 Harrisburg (MDT) 18:23 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:33 Effective 2025-05-23 through 2025-05-30
Mon-Fri,Sun 16:50 Harrisburg (MDT) 18:23 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:33 Effective 2025-06-01 through 2025-06-06
Mon-Fri,Sun 17:00 Harrisburg (MDT) 18:35 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:35 Valid until 2025-05-06
Daily 17:00 Harrisburg (MDT) 18:35 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:35 Effective 2025-07-07 through 2025-08-30
Daily 17:00 Harrisburg (MDT) 18:35 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:35 Effective 2025-09-01 through 2025-09-07
Daily 17:00 Harrisburg (MDT) 18:37 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:37 Effective 2025-09-08 through 2025-12-19
Daily 17:00 Harrisburg (MDT) 18:41 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:41 Effective from 2026-01-06
Thu 17:11 Harrisburg (MDT) 18:44 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:33 Operates only on 2025-05-22
Daily 18:11 Grand Rapids (GRR) 19:14 Detroit (DTW) M
DL 3974 Non-stop Canadair CRJ 900 (CR9) 1:03 Effective 2025-12-20 through 2026-01-05
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Delta Air Lines flight DL 3974:
Harrisburg - Detroit via Grand Rapids
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL3974
16:35
Detroit (DTW) M

17:30
Grand Rapids (GRR)
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:55, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
16:50
Harrisburg (MDT)

18:23
Detroit (DTW) M
Effective 2025-05-07 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:33, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
16:50
Harrisburg (MDT)

18:23
Detroit (DTW) M
Effective 2025-05-23 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:33, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
16:50
Harrisburg (MDT)

18:23
Detroit (DTW) M
Effective 2025-06-01 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:33, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
17:00
Harrisburg (MDT)

18:35
Detroit (DTW) M
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
17:00
Harrisburg (MDT)

18:35
Detroit (DTW) M
Effective 2025-07-07 through 2025-08-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
17:00
Harrisburg (MDT)

18:35
Detroit (DTW) M
Effective 2025-09-01 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
17:00
Harrisburg (MDT)

18:37
Detroit (DTW) M
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
17:00
Harrisburg (MDT)

18:41
Detroit (DTW) M
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
17:11
Harrisburg (MDT)

18:44
Detroit (DTW) M
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:33, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL3974
18:11
Grand Rapids (GRR)

19:14
Detroit (DTW) M
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:03, non-stop
Canadair CRJ 900 (CR9)
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  • DL 3974 is a domestic flight departing from the Harrisburg airport (MDT) and arriving at Detroit airport (DTW).
  • The flight runs via Grand Rapids (GRR).
  • The flight distance is 369 miles, or 595 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
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