Delta Air Lines flight DL 5521: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 06:25 Buffalo (BUF) 07:54 Detroit (DTW) M
DL 5521 Non-stop Canadair CRJ 900 (CR9) 1:29 Effective from 2026-01-06
Daily 09:30 Syracuse (SYR) 11:00 Detroit (DTW) M
DL 5521 Non-stop Canadair CRJ 900 (CR9) 1:30 Effective 2025-07-07 through 2025-08-15
Mon-Fri,Sun 09:30 Syracuse (SYR) 11:00 Detroit (DTW) M
DL 5521 Non-stop Canadair CRJ 900 (CR9) 1:30 Effective 2025-08-17 through 2025-08-29
Mon-Fri,Sun 09:30 Syracuse (SYR) 11:00 Detroit (DTW) M
DL 5521 Non-stop Canadair CRJ 900 (CR9) 1:30 Effective 2025-09-01 through 2025-09-07
Daily 09:30 Syracuse (SYR) 11:09 Detroit (DTW) M
DL 5521 Non-stop Canadair CRJ 900 (CR9) 1:39 Effective 2025-09-08 through 2025-12-19
Mon-Fri 09:52 Syracuse (SYR) 11:25 Detroit (DTW) M
DL 5521 Non-stop Canadair CRJ 900 (CR9) 1:33 Valid until 2025-05-06
Daily 16:05 Raleigh/Durham (RDU) 2 17:51 Newark Liberty, New York (EWR) A
DL 5521 Non-stop Canadair CRJ 900 (CR9) 1:46 Effective 2025-12-20 through 2026-01-05
Daily 18:31 Newark Liberty, New York (EWR) A 20:26 Raleigh/Durham (RDU) 2
DL 5521 Non-stop Canadair CRJ 900 (CR9) 1:55 Effective 2025-12-20 through 2026-01-05
Mon,Tue,Fri 20:59 Atlanta (ATL) S 21:53 Chattanooga (CHA)
DL 5521 Non-stop Canadair CRJ 900 (CR9) 0:54 Effective 2025-05-12 through 2025-05-27
Mon,Tue,Thu,Fri 20:59 Atlanta (ATL) S 21:53 Chattanooga (CHA)
DL 5521 Non-stop Canadair CRJ 900 (CR9) 0:54 Effective 2025-06-02 through 2025-06-06
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This flight number is listed as serving the following routes:
Delta Air Lines flight DL 5521: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Delta Air Lines DL5521
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Effective 2025-07-07 through 2025-08-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Effective 2025-08-17 through 2025-08-29
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Effective 2025-09-01 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:33, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Effective 2025-05-12 through 2025-05-27
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 0:54, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL5521
Effective 2025-06-02 through 2025-06-06
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:54, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Chattanooga (CHA)
  • Buffalo (BUF) - Detroit (DTW)
  • Newark Liberty, New York (EWR) - Raleigh/Durham (RDU)
  • Syracuse (SYR) - Detroit (DTW)