Delta Air Lines flight DL 1399: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Boston Logan (BOS) A 10:38 Miami (MIA)
DL 1399 Non-stop Boeing 737-800 (738) 3:38 Effective 2025-07-07 through 2025-09-07
Daily 07:00 Boston Logan (BOS) A 10:43 Miami (MIA)
DL 1399 Non-stop Boeing 737-800 (738) 3:43 Effective 2025-09-08 through 2025-12-19
Daily 07:00 Boston Logan (BOS) A 10:51 Miami (MIA)
DL 1399 Non-stop Boeing 737-800 (738) 3:51 Effective from 2026-01-06
Daily 07:05 Boston Logan (BOS) A 10:33 Miami (MIA)
DL 1399 Non-stop Boeing 737-800 (738) 3:28 Effective 2025-05-07 through 2025-06-07
Daily 07:05 Boston Logan (BOS) A 10:29 Miami (MIA)
DL 1399 Non-stop Boeing 737-800 (738) 3:24 Effective 2025-06-08 through 2025-07-06
Mon-Fri,Sun 07:10 Boston Logan (BOS) A 10:43 Miami (MIA)
DL 1399 Non-stop Boeing 737-800 (738) 3:33 Valid until 2025-05-06
Sat 07:10 Boston Logan (BOS) A 10:43 Miami (MIA)
DL 1399 Non-stop Boeing 737-900 (739) 3:33 Operates only on 2025-05-03
Daily 11:15 Miami (MIA) 14:53 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:38 Effective 2025-07-07 through 2025-09-07
Daily 11:15 Miami (MIA) 14:39 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:24 Effective 2025-09-08 through 2025-12-19
Daily 11:15 Miami (MIA) 14:48 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:33 Effective from 2026-01-06
Daily 11:24 Miami (MIA) 14:55 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:31 Effective 2025-06-08 through 2025-07-03
Sat,Sun 11:24 Miami (MIA) 14:55 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:31 Effective 2025-07-05 through 2025-07-06
Fri 11:25 Miami (MIA) 15:01 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:36 Operates only on 2025-07-04
Daily 11:28 Miami (MIA) 14:55 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:27 Effective 2025-05-07 through 2025-06-07
Mon-Fri,Sun 11:38 Miami (MIA) 15:00 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:22 Valid until 2025-05-06
Sat 11:55 Miami (MIA) 15:18 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-900 (739) 3:23 Operates only on 2025-05-03
Daily 16:05 San Antonio (SAT) A 20:11 Detroit (DTW) M
DL 1399 Non-stop Airbus A319 (319) 3:06 Effective 2025-12-20 through 2026-01-05
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 1399: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL1399
07:00
Boston Logan (BOS) A

10:38
Miami (MIA)
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:38, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
07:00
Boston Logan (BOS) A

10:43
Miami (MIA)
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
07:00
Boston Logan (BOS) A

10:51
Miami (MIA)
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:51, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
07:05
Boston Logan (BOS) A

10:33
Miami (MIA)
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:28, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
07:05
Boston Logan (BOS) A

10:29
Miami (MIA)
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:24, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
07:10
Boston Logan (BOS) A

10:43
Miami (MIA)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:33, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
07:10
Boston Logan (BOS) A

10:43
Miami (MIA)
Operates only on 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:33, non-stop
Boeing 737-900 (739)
Delta Air Lines DL1399
11:15
Miami (MIA)

14:53
Boston Logan (BOS) A
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:38, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
11:15
Miami (MIA)

14:39
Boston Logan (BOS) A
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:24, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
11:15
Miami (MIA)

14:48
Boston Logan (BOS) A
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:33, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
11:24
Miami (MIA)

14:55
Boston Logan (BOS) A
Effective 2025-06-08 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:31, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
11:24
Miami (MIA)

14:55
Boston Logan (BOS) A
Effective 2025-07-05 through 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 3:31, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
11:25
Miami (MIA)

15:01
Boston Logan (BOS) A
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:36, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
11:28
Miami (MIA)

14:55
Boston Logan (BOS) A
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:27, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
11:38
Miami (MIA)

15:00
Boston Logan (BOS) A
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:22, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1399
11:55
Miami (MIA)

15:18
Boston Logan (BOS) A
Operates only on 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:23, non-stop
Boeing 737-900 (739)
Delta Air Lines DL1399
16:05
San Antonio (SAT) A

20:11
Detroit (DTW) M
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Miami (MIA)
  • San Antonio (SAT) - Detroit (DTW)
All Delta Air Lines flights
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