Delta Air Lines flight DL 4921: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Raleigh/Durham (RDU) 2 09:47 Austin (AUS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:47 Effective 2026-01-05 through 2026-02-11
Daily 07:00 Raleigh/Durham (RDU) 2 09:48 Austin (AUS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:48 Effective 2026-02-12 through 2026-03-07
Daily 07:05 Raleigh/Durham (RDU) 2 09:30 Austin (AUS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:25 Effective 2026-04-13 through 2026-10-05
Daily 07:05 Raleigh/Durham (RDU) 2 09:42 Austin (AUS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:37 Effective from 2026-10-06
Daily 07:12 Raleigh/Durham (RDU) 2 09:51 Austin (AUS)
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:39 Effective 2026-03-08 through 2026-04-12
Mon,Tue,Fri-Sun 07:30 Oklahoma City (OKC) 11:49 New York LaGuardia (LGA) C
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:19 Valid until 2026-01-04
Wed,Thu 08:45 Oklahoma City (OKC) 13:06 New York LaGuardia (LGA) C
DL 4921 Non-stop Canadair CRJ 900 (CR9) 3:21 Valid until 2026-01-01
Daily 10:28 Austin (AUS) 14:17 Raleigh/Durham (RDU) 2
DL 4921 Non-stop Canadair CRJ 900 (CR9) 2:49 Effective 2026-02-12 through 2026-03-07
Daily 10:31 Austin (AUS) 14:25 Raleigh/Durham (RDU) 2
DL 4921 Non-stop Canadair CRJ 900 (CR9) 2:54 Effective 2026-03-08 through 2026-04-12
This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 4921: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL4921
07:00
Raleigh/Durham (RDU) 2

09:47
Austin (AUS)
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:47, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4921
07:00
Raleigh/Durham (RDU) 2

09:48
Austin (AUS)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4921
07:05
Raleigh/Durham (RDU) 2

09:30
Austin (AUS)
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4921
07:05
Raleigh/Durham (RDU) 2

09:42
Austin (AUS)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:37, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4921
07:12
Raleigh/Durham (RDU) 2

09:51
Austin (AUS)
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:39, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4921
07:30
Oklahoma City (OKC)

11:49
New York LaGuardia (LGA) C
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 3:19, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4921
08:45
Oklahoma City (OKC)

13:06
New York LaGuardia (LGA) C
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:21, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4921
10:28
Austin (AUS)

14:17
Raleigh/Durham (RDU) 2
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Delta Air Lines DL4921
10:31
Austin (AUS)

14:25
Raleigh/Durham (RDU) 2
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:54, non-stop
Canadair CRJ 900 (CR9)
This flight number is listed as serving the following routes:
  • Oklahoma City (OKC) - New York LaGuardia (LGA)
  • Raleigh/Durham (RDU) - Austin (AUS)
All Delta Air Lines flights
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