Delta Air Lines flight DL 4122: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Sat 05:30 Grand Rapids (GRR) 06:26 Detroit (DTW) M
DL 4122 Non-stop Canadair CRJ 900 (CR9) 0:56 Effective 2026-03-09 through 2026-04-11
Sat 12:15 Detroit (DTW) M 13:27 Pittsburgh (PIT)
DL 4122 Non-stop Canadair CRJ 900 (CR9) 1:12 Effective 2026-01-10 through 2026-01-17
Mon-Fri,Sun 12:15 Detroit (DTW) M 13:27 Pittsburgh (PIT)
DL 4122 Non-stop Canadair CRJ 700 (CR7) 1:12 Effective 2026-01-19 through 2026-02-06
Mon,Tue 12:15 Detroit (DTW) M 13:27 Pittsburgh (PIT)
DL 4122 Non-stop Canadair CRJ 700 (CR7) 1:12 Effective 2026-02-09 through 2026-02-10
Wed 12:15 Detroit (DTW) M 13:27 Pittsburgh (PIT)
DL 4122 Non-stop Canadair CRJ 900 (CR9) 1:12 Operates only on 2026-02-11
Mon-Fri,Sun 15:52 Detroit (DTW) M 17:08 Traverse City (TVC)
DL 4122 Non-stop Canadair CRJ 700 (CR7) 1:16 Effective 2026-01-05 through 2026-01-16
Mon-Fri,Sun 17:48 Traverse City (TVC) 19:13 Detroit (DTW) M
DL 4122 Non-stop Canadair CRJ 700 (CR7) 1:25 Effective 2026-01-05 through 2026-01-16
Daily 18:26 Louisville (SDF) 19:51 Detroit (DTW) M
DL 4122 Non-stop Canadair CRJ 900 (CR9) 1:25 Effective 2026-04-13 through 2026-10-05
Daily 18:26 Louisville (SDF) 19:53 Detroit (DTW) M
DL 4122 Non-stop Canadair CRJ 900 (CR9) 1:27 Effective from 2026-10-06
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 4122: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL4122
05:30
Grand Rapids (GRR)

06:26
Detroit (DTW) M
Effective 2026-03-09 through 2026-04-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 0:56, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4122
12:15
Detroit (DTW) M

13:27
Pittsburgh (PIT)
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:12, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4122
12:15
Detroit (DTW) M

13:27
Pittsburgh (PIT)
Effective 2026-01-19 through 2026-02-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:12, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
Delta Air Lines DL4122
12:15
Detroit (DTW) M

13:27
Pittsburgh (PIT)
Effective 2026-02-09 through 2026-02-10
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:12, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
Delta Air Lines DL4122
12:15
Detroit (DTW) M

13:27
Pittsburgh (PIT)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:12, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4122
15:52
Detroit (DTW) M

17:08
Traverse City (TVC)
Effective 2026-01-05 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:16, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
Delta Air Lines DL4122
17:48
Traverse City (TVC)

19:13
Detroit (DTW) M
Effective 2026-01-05 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
Delta Air Lines DL4122
18:26
Louisville (SDF)

19:51
Detroit (DTW) M
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4122
18:26
Louisville (SDF)

19:53
Detroit (DTW) M
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Detroit (DTW) - Pittsburgh (PIT)
  • Detroit (DTW) - Traverse City (TVC)
  • Grand Rapids (GRR) - Detroit (DTW)
  • Louisville (SDF) - Detroit (DTW)
All Delta Air Lines flights
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