Delta Air Lines flight DL 4921: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:05 Raleigh/Durham (RDU) 2 09:48 Austin (AUS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:43 Effective from 2026-01-06
Mon-Fri,Sun 10:30 Detroit (DTW) M 12:03 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:33 Valid until 2025-05-06
Mon,Tue,Sat,Sun 11:30 New York LaGuardia (LGA) C 13:35 Memphis (MEM)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:05 Effective 2025-12-20 through 2025-12-23
Mon,Sun 11:30 New York LaGuardia (LGA) C 13:35 Memphis (MEM)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:05 Effective 2026-01-04 through 2026-01-05
Mon-Fri,Sun 12:55 Knoxville (TYS) 14:41 Detroit (DTW) M
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:46 Valid until 2025-05-06
Mon,Tue,Sat,Sun 14:55 Memphis (MEM) 18:38 New York LaGuardia (LGA) C
DL 4921 Non-stop Canadair CRJ 900 (CR9) 2:43 Effective 2025-12-20 through 2025-12-23
Mon,Sun 14:55 Memphis (MEM) 18:38 New York LaGuardia (LGA) C
DL 4921 Non-stop Canadair CRJ 900 (CR9) 2:43 Effective 2026-01-04 through 2026-01-05
Sat 15:50 Minneapolis/Saint Paul (MSP) 1 18:43 John Glenn Columbus (CMH)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:53 Valid until 2025-05-03
Sun 15:50 Detroit (DTW) M 17:25 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:35 Effective 2025-05-11 through 2025-05-18
Sun 15:50 Detroit (DTW) M 17:25 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:35 Operates only on 2025-06-01
Mon-Fri,Sun 15:50 Detroit (DTW) M 17:23 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:33 Effective 2025-07-07 through 2025-08-15
Daily 15:50 Detroit (DTW) M 17:23 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:33 Effective 2025-08-16 through 2025-09-07
Daily 15:50 Detroit (DTW) M 17:27 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:37 Effective 2025-09-08 through 2025-12-19
Sat 15:55 Detroit (DTW) M 17:30 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 700 (CR7) 1:35 Effective 2025-05-10 through 2025-05-24
Sat,Sun 15:55 Detroit (DTW) M 17:30 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 700 (CR7) 1:35 Effective 2025-05-25 through 2025-05-31
Sat 15:55 Detroit (DTW) M 17:30 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 700 (CR7) 1:35 Operates only on 2025-06-07
Mon-Fri,Sun 15:59 Detroit (DTW) M 17:35 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:36 Effective 2025-06-08 through 2025-06-27
Sat 15:59 Detroit (DTW) M 17:35 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 700 (CR7) 1:36 Effective 2025-06-14 through 2025-07-05
Sun 15:59 Detroit (DTW) M 17:35 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:36 Operates only on 2025-07-06
Mon-Fri 16:00 Detroit (DTW) M 17:36 Knoxville (TYS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 1:36 Effective 2025-05-07 through 2025-06-06
Sat 19:23 John Glenn Columbus (CMH) 20:41 Minneapolis/Saint Paul (MSP) 1
DL 4921 Non-stop Canadair CRJ 900 (CR9) 2:18 Valid until 2025-05-03
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 4921: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL4921
07:05
Raleigh/Durham (RDU) 2

09:48
Austin (AUS)
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
10:30
Detroit (DTW) M

12:03
Knoxville (TYS)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:33, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
11:30
New York LaGuardia (LGA) C

13:35
Memphis (MEM)
Effective 2025-12-20 through 2025-12-23
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 3:05, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
11:30
New York LaGuardia (LGA) C

13:35
Memphis (MEM)
Effective 2026-01-04 through 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
12:55
Knoxville (TYS)

14:41
Detroit (DTW) M
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:46, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
14:55
Memphis (MEM)

18:38
New York LaGuardia (LGA) C
Effective 2025-12-20 through 2025-12-23
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:43, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
14:55
Memphis (MEM)

18:38
New York LaGuardia (LGA) C
Effective 2026-01-04 through 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:43, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
15:50
Minneapolis/Saint Paul (MSP) 1

18:43
John Glenn Columbus (CMH)
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:53, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
15:50
Detroit (DTW) M

17:25
Knoxville (TYS)
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
15:50
Detroit (DTW) M

17:25
Knoxville (TYS)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
15:50
Detroit (DTW) M

17:23
Knoxville (TYS)
Effective 2025-07-07 through 2025-08-15
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:33, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
15:50
Detroit (DTW) M

17:23
Knoxville (TYS)
Effective 2025-08-16 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
15:50
Detroit (DTW) M

17:27
Knoxville (TYS)
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 DL4921
15:55
Detroit (DTW) M

17:30
Knoxville (TYS)
Effective 2025-05-10 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Canadair CRJ 700 (CR7)
Delta Air Lines DL4921
15:55
Detroit (DTW) M

17:30
Knoxville (TYS)
Effective 2025-05-25 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:35, non-stop
Canadair CRJ 700 (CR7)
Delta Air Lines DL4921
15:55
Detroit (DTW) M

17:30
Knoxville (TYS)
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Canadair CRJ 700 (CR7)
Delta Air Lines DL4921
15:59
Detroit (DTW) M

17:35
Knoxville (TYS)
Effective 2025-06-08 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:36, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
15:59
Detroit (DTW) M

17:35
Knoxville (TYS)
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:36, non-stop
Canadair CRJ 700 (CR7)
Delta Air Lines DL4921
15:59
Detroit (DTW) M

17:35
Knoxville (TYS)
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:36, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
16:00
Detroit (DTW) M

17:36
Knoxville (TYS)
Effective 2025-05-07 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:36, non-stop
Canadair CRJ 900 (CR9)
Delta Air Lines DL4921
19:23
John Glenn Columbus (CMH)

20:41
Minneapolis/Saint Paul (MSP) 1
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:18, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • John Glenn Columbus (CMH) - Minneapolis/Saint Paul (MSP)
  • Knoxville (TYS) - Detroit (DTW)
  • New York LaGuardia (LGA) - Memphis (MEM)
  • Raleigh/Durham (RDU) - Austin (AUS)
All Delta Air Lines flights
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