Delta Air Lines flight DL 521: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:35 Los Angeles (LAX) 3 12:46 Dallas Fort Worth (DFW) E
DL 521 Non-stop Airbus A320 (320) 3:11 Effective 2026-06-07 through 2026-10-05
Daily 07:35 Los Angeles (LAX) 3 12:37 Dallas Fort Worth (DFW) E
DL 521 Non-stop Airbus A320 (320) 3:02 Effective from 2026-10-06
Daily 08:40 Los Angeles (LAX) 3 13:51 Dallas Fort Worth (DFW) E
DL 521 Non-stop Airbus A319 (319) 3:11 Effective 2026-04-13 through 2026-06-06
Daily 08:58 Los Angeles (LAX) 3 14:05 Dallas Fort Worth (DFW) E
DL 521 Non-stop Airbus A319 (319) 3:07 Valid until 2026-01-04
Mon-Fri 09:49 Los Angeles (LAX) 3 14:50 Dallas Fort Worth (DFW) E
DL 521 Non-stop Airbus A319 (319) 3:01 Effective 2026-02-12 through 2026-02-20
Mon-Fri,Sun 09:49 Los Angeles (LAX) 3 14:50 Dallas Fort Worth (DFW) E
DL 521 Non-stop Airbus A319 (319) 3:01 Effective 2026-02-22 through 2026-03-06
Daily 09:50 Los Angeles (LAX) 3 14:51 Dallas Fort Worth (DFW) E
DL 521 Non-stop Airbus A319 (319) 3:01 Effective 2026-01-05 through 2026-02-11
Daily 09:54 Los Angeles (LAX) 3 14:56 Dallas Fort Worth (DFW) E
DL 521 Non-stop Airbus A319 (319) 3:02 Effective 2026-03-08 through 2026-04-12
Daily 13:30 Dallas Fort Worth (DFW) E 14:59 Los Angeles (LAX) 3
DL 521 Non-stop Airbus A320 (320) 3:29 Effective 2026-06-07 through 2026-10-05
Daily 13:30 Dallas Fort Worth (DFW) E 14:55 Los Angeles (LAX) 3
DL 521 Non-stop Airbus A320 (320) 3:25 Effective from 2026-10-06
Mon-Fri 16:00 Dallas Fort Worth (DFW) E 17:30 Los Angeles (LAX) 3
DL 521 Non-stop Airbus A319 (319) 3:30 Effective 2026-02-12 through 2026-02-20
Mon-Fri,Sun 16:00 Dallas Fort Worth (DFW) E 17:30 Los Angeles (LAX) 3
DL 521 Non-stop Airbus A319 (319) 3:30 Effective 2026-02-22 through 2026-03-06
Sat 16:22 Dallas Fort Worth (DFW) E 17:56 Los Angeles (LAX) 3
DL 521 Non-stop Airbus A319 (319) 3:34 Effective 2026-03-14 through 2026-04-11
This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 521: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL521
07:35
Los Angeles (LAX) 3

12:46
Dallas Fort Worth (DFW) E
Effective 2026-06-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A320 (320)
Direct Flights:
Delta Air Lines DL521
07:35
Los Angeles (LAX) 3

12:37
Dallas Fort Worth (DFW) E
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:02, non-stop
Airbus A320 (320)
Direct Flights:
Delta Air Lines DL521
08:40
Los Angeles (LAX) 3

13:51
Dallas Fort Worth (DFW) E
Effective 2026-04-13 through 2026-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A319 (319)
Direct Flights:
Delta Air Lines DL521
08:58
Los Angeles (LAX) 3

14:05
Dallas Fort Worth (DFW) E
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:07, non-stop
Airbus A319 (319)
Direct Flights:
Delta Air Lines DL521
09:49
Los Angeles (LAX) 3

14:50
Dallas Fort Worth (DFW) E
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:01, non-stop
Airbus A319 (319)
Direct Flights:
Delta Air Lines DL521
09:49
Los Angeles (LAX) 3

14:50
Dallas Fort Worth (DFW) E
Effective 2026-02-22 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:01, non-stop
Airbus A319 (319)
Direct Flights:
Delta Air Lines DL521
09:50
Los Angeles (LAX) 3

14:51
Dallas Fort Worth (DFW) E
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Airbus A319 (319)
Direct Flights:
Delta Air Lines DL521
09:54
Los Angeles (LAX) 3

14:56
Dallas Fort Worth (DFW) E
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:02, non-stop
Airbus A319 (319)
Direct Flights:
Delta Air Lines DL521
13:30
Dallas Fort Worth (DFW) E

14:59
Los Angeles (LAX) 3
Effective 2026-06-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:29, non-stop
Airbus A320 (320)
Direct Flights:
Delta Air Lines DL521
13:30
Dallas Fort Worth (DFW) E

14:55
Los Angeles (LAX) 3
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Airbus A320 (320)
Direct Flights:
Delta Air Lines DL521
16:00
Dallas Fort Worth (DFW) E

17:30
Los Angeles (LAX) 3
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Airbus A319 (319)
Direct Flights:
Delta Air Lines DL521
16:00
Dallas Fort Worth (DFW) E

17:30
Los Angeles (LAX) 3
Effective 2026-02-22 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:30, non-stop
Airbus A319 (319)
Direct Flights:
Delta Air Lines DL521
16:22
Dallas Fort Worth (DFW) E

17:56
Los Angeles (LAX) 3
Effective 2026-03-14 through 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:34, non-stop
Airbus A319 (319)
This flight number is listed as serving the following routes:
  • Los Angeles (LAX) - Dallas Fort Worth (DFW)
All Delta Air Lines flights
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