Delta Air Lines flight DL 1399: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 07:00 Boston Logan (BOS) A 10:49 Miami (MIA)
DL 1399 Non-stop Airbus A321neo (32Q) 3:49 Effective 2026-01-10 through 2026-01-17
Daily 07:00 Boston Logan (BOS) A 10:34 Miami (MIA)
DL 1399 Non-stop Boeing 737-800 (738) 3:34 Effective 2026-04-13 through 2026-10-05
Daily 07:00 Boston Logan (BOS) A 10:43 Miami (MIA)
DL 1399 Non-stop Boeing 737-800 (738) 3:43 Effective from 2026-10-06
Mon-Fri,Sun 07:05 Boston Logan (BOS) A 10:53 Miami (MIA)
DL 1399 Non-stop Boeing 737-900 (739) 3:48 Effective 2026-01-05 through 2026-01-23
Daily 07:05 Boston Logan (BOS) A 10:53 Miami (MIA)
DL 1399 Non-stop Boeing 737-900 (739) 3:48 Effective 2026-01-24 through 2026-02-11
Daily 07:05 Boston Logan (BOS) A 10:46 Miami (MIA)
DL 1399 Non-stop Boeing 737-900 (739) 3:41 Effective 2026-03-08 through 2026-04-12
Mon-Fri,Sun 07:10 Boston Logan (BOS) A 10:58 Miami (MIA)
DL 1399 Non-stop Boeing 737-900 (739) 3:48 Effective 2026-02-12 through 2026-03-06
Daily 11:15 Miami (MIA) 14:47 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:32 Effective 2026-04-13 through 2026-10-05
Daily 11:15 Miami (MIA) 14:41 Boston Logan (BOS) A
DL 1399 Non-stop Boeing 737-800 (738) 3:26 Effective from 2026-10-06
Mon,Tue,Fri,Sun 16:06 San Antonio (SAT) A 20:11 Detroit (DTW) M
DL 1399 Non-stop Airbus A319 (319) 3:05 Valid until 2026-01-04
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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

10:49
Miami (MIA)
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:49, non-stop
Airbus A321neo (32Q)
Direct Flights:
Delta Air Lines DL1399
07:00
Boston Logan (BOS) A

10:34
Miami (MIA)
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:34, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL1399
07:00
Boston Logan (BOS) A

10:43
Miami (MIA)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL1399
07:05
Boston Logan (BOS) A

10:53
Miami (MIA)
Effective 2026-01-05 through 2026-01-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:48, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1399
07:05
Boston Logan (BOS) A

10:53
Miami (MIA)
Effective 2026-01-24 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1399
07:05
Boston Logan (BOS) A

10:46
Miami (MIA)
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:41, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1399
07:10
Boston Logan (BOS) A

10:58
Miami (MIA)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:48, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL1399
11:15
Miami (MIA)

14:47
Boston Logan (BOS) A
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:32, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL1399
11:15
Miami (MIA)

14:41
Boston Logan (BOS) A
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:26, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL1399
16:06
San Antonio (SAT) A

20:11
Detroit (DTW) M
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:05, 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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