Delta Air Lines flight DL 1521: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:50 Minneapolis/Saint Paul (MSP) 1 11:55 Toronto Pearson (YYZ) 3
DL 1521 Non-stop Airbus A220-100 (221) 2:05 Effective 2025-06-08 through 2025-07-06
Daily 08:59 Detroit (DTW) M 10:35 Las Vegas Harry Reid (LAS) 1
DL 1521 Non-stop Boeing 737-900 (739) 4:36 Effective 2025-09-08 through 2025-10-05
Daily 08:59 Detroit (DTW) M 10:37 Las Vegas Harry Reid (LAS) 1
DL 1521 Non-stop Airbus A321 (321) 4:38 Effective 2025-10-06 through 2025-12-19
Sat 10:25 Nashville (BNA) 12:59 Detroit (DTW) M
DL 1521 Non-stop Airbus A320 (320) 1:34 Valid until 2025-05-03
Mon-Fri,Sun 10:25 Nashville (BNA) 12:59 Detroit (DTW) M
DL 1521 Non-stop Airbus A321 (321) 1:34 Valid until 2025-05-06
Daily 11:00 Fort Lauderdale (FLL) 2 13:59 New York John F. Kennedy (JFK) 4
DL 1521 Non-stop Airbus A321 (321) 2:59 Effective 2025-05-07 through 2025-06-07
Daily 11:30 Las Vegas Harry Reid (LAS) 1 18:32 Detroit (DTW) M
DL 1521 Non-stop Boeing 737-900 (739) 4:02 Effective 2025-09-08 through 2025-10-05
Daily 11:30 Las Vegas Harry Reid (LAS) 1 18:35 Detroit (DTW) M
DL 1521 Non-stop Airbus A321 (321) 4:05 Effective 2025-10-06 through 2025-12-19
Mon-Fri,Sun 17:30 Pittsburgh (PIT) 18:40 Detroit (DTW) M
DL 1521 Non-stop Boeing 717 (717) 1:10 Effective 2025-07-07 through 2025-08-29
Mon-Fri,Sun 17:30 Pittsburgh (PIT) 18:40 Detroit (DTW) M
DL 1521 Non-stop Boeing 717 (717) 1:10 Effective 2025-09-01 through 2025-09-07
Mon,Thu,Fri,Sun 21:20 Santa Ana (SNA) 04:30 Atlanta (ATL) S
DL 1521 Non-stop Boeing 757-200 (75W) 4:10 Effective 2026-01-08 through 2026-01-16
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 21:20 Santa Ana (SNA) 04:30 Atlanta (ATL) S
DL 1521 Non-stop Boeing 757-200 (75W) 4:10 Effective 2026-01-19 through 2026-02-06
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 21:20 Santa Ana (SNA) 04:30 Atlanta (ATL) S
DL 1521 Non-stop Boeing 757-200 (75W) 4:10 Effective from 2026-02-09
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 1521: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL1521
08:50
Minneapolis/Saint Paul (MSP) 1

11:55
Toronto Pearson (YYZ) 3
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Airbus A220-100 (221)
Delta Air Lines DL1521
08:59
Detroit (DTW) M

10:35
Las Vegas Harry Reid (LAS) 1
Effective 2025-09-08 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:36, non-stop
Boeing 737-900 (739)
Delta Air Lines DL1521
08:59
Detroit (DTW) M

10:37
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-06 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:38, non-stop
Airbus A321 (321)
Delta Air Lines DL1521
10:25
Nashville (BNA)

12:59
Detroit (DTW) M
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Airbus A320 (320)
Delta Air Lines DL1521
10:25
Nashville (BNA)

12:59
Detroit (DTW) M
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:34, non-stop
Airbus A321 (321)
Delta Air Lines DL1521
11:00
Fort Lauderdale (FLL) 2

13:59
New York John F. Kennedy (JFK) 4
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Airbus A321 (321)
Delta Air Lines DL1521
11:30
Las Vegas Harry Reid (LAS) 1

18:32
Detroit (DTW) M
Effective 2025-09-08 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:02, non-stop
Boeing 737-900 (739)
Delta Air Lines DL1521
11:30
Las Vegas Harry Reid (LAS) 1

18:35
Detroit (DTW) M
Effective 2025-10-06 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Airbus A321 (321)
Delta Air Lines DL1521
17:30
Pittsburgh (PIT)

18:40
Detroit (DTW) M
Effective 2025-07-07 through 2025-08-29
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 717 (717)
Delta Air Lines DL1521
17:30
Pittsburgh (PIT)

18:40
Detroit (DTW) M
Effective 2025-09-01 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 717 (717)
Delta Air Lines DL1521
21:20
Santa Ana (SNA)

04:30(+1)
Atlanta (ATL) S
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:10, non-stop
Boeing 757-200 (75W)
The flight arrives 1 day after departure.
Delta Air Lines DL1521
21:20
Santa Ana (SNA)

04:30(+1)
Atlanta (ATL) S
Effective 2026-01-19 through 2026-02-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:10, non-stop
Boeing 757-200 (75W)
The flight arrives 1 day after departure.
Delta Air Lines DL1521
21:20
Santa Ana (SNA)

04:30(+1)
Atlanta (ATL) S
Effective from 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:10, non-stop
Boeing 757-200 (75W)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Detroit (DTW) - Las Vegas Harry Reid (LAS)
  • Fort Lauderdale (FLL) - New York John F. Kennedy (JFK)
  • Minneapolis/Saint Paul (MSP) - Toronto Pearson (YYZ)
  • Nashville (BNA) - Detroit (DTW)
  • Pittsburgh (PIT) - Detroit (DTW)
  • Santa Ana (SNA) - Atlanta (ATL)
All Delta Air Lines flights
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