Delta Air Lines flight DL 4637: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:10 Minneapolis/Saint Paul (MSP) 1 10:11 Rapid City (RAP)
DL 4637 Non-stop Canadair CRJ 900 (CR9) 2:01 Effective 2026-02-01 through 2026-02-11
Daily 09:11 Minneapolis/Saint Paul (MSP) 1 10:13 Rapid City (RAP)
DL 4637 Non-stop Canadair CRJ 900 (CR9) 2:02 Effective 2026-01-05 through 2026-01-31
Daily 10:54 Rapid City (RAP) 13:40 Minneapolis/Saint Paul (MSP) 1
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:46 Effective 2026-01-05 through 2026-02-11
Daily 17:45 Detroit (DTW) M 18:57 Buffalo (BUF)
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:12 Effective 2026-04-13 through 2026-05-08
Mon-Fri,Sun 17:45 Detroit (DTW) M 18:57 Buffalo (BUF)
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:12 Effective 2026-05-10 through 2026-05-22
Mon-Fri,Sun 17:45 Detroit (DTW) M 18:57 Buffalo (BUF)
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:12 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 17:45 Detroit (DTW) M 18:57 Buffalo (BUF)
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:12 Effective 2026-09-07 through 2026-10-05
Mon-Fri,Sun 17:45 Detroit (DTW) M 18:58 Buffalo (BUF)
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:13 Effective from 2026-10-06
Daily 19:25 Buffalo (BUF) 20:43 Detroit (DTW) M
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:18 Effective 2026-04-13 through 2026-05-08
Mon-Fri,Sun 19:25 Buffalo (BUF) 20:43 Detroit (DTW) M
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:18 Effective 2026-05-10 through 2026-05-22
Mon-Fri,Sun 19:25 Buffalo (BUF) 20:43 Detroit (DTW) M
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:18 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 19:25 Buffalo (BUF) 20:43 Detroit (DTW) M
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:18 Effective 2026-09-07 through 2026-10-05
Mon-Fri,Sun 19:25 Buffalo (BUF) 20:48 Detroit (DTW) M
DL 4637 Non-stop Canadair CRJ 900 (CR9) 1:23 Effective from 2026-10-06
This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 4637: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL4637
09:10
Minneapolis/Saint Paul (MSP) 1

10:11
Rapid City (RAP)
Effective 2026-02-01 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
09:11
Minneapolis/Saint Paul (MSP) 1

10:13
Rapid City (RAP)
Effective 2026-01-05 through 2026-01-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:02, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
10:54
Rapid City (RAP)

13:40
Minneapolis/Saint Paul (MSP) 1
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
17:45
Detroit (DTW) M

18:57
Buffalo (BUF)
Effective 2026-04-13 through 2026-05-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:12, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
17:45
Detroit (DTW) M

18:57
Buffalo (BUF)
Effective 2026-05-10 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:12, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
17:45
Detroit (DTW) M

18:57
Buffalo (BUF)
Effective 2026-05-25 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:12, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
17:45
Detroit (DTW) M

18:57
Buffalo (BUF)
Effective 2026-09-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:12, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
17:45
Detroit (DTW) M

18:58
Buffalo (BUF)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:13, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
19:25
Buffalo (BUF)

20:43
Detroit (DTW) M
Effective 2026-04-13 through 2026-05-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
19:25
Buffalo (BUF)

20:43
Detroit (DTW) M
Effective 2026-05-10 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:18, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
19:25
Buffalo (BUF)

20:43
Detroit (DTW) M
Effective 2026-05-25 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:18, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
19:25
Buffalo (BUF)

20:43
Detroit (DTW) M
Effective 2026-09-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:18, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4637
19:25
Buffalo (BUF)

20:48
Detroit (DTW) M
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:23, non-stop
Canadair CRJ 900 (CR9)
This flight number is listed as serving the following routes:
  • Detroit (DTW) - Buffalo (BUF)
  • Minneapolis/Saint Paul (MSP) - Rapid City (RAP)
All Delta Air Lines flights
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