Delta Air Lines flight DL 1721: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 05:55 Mobile (MOB) 08:17 Atlanta (ATL) S
DL 1721 Non-stop Boeing 717 (717) 1:22 Effective 2026-04-13 through 2026-07-06
Daily 05:55 Mobile (MOB) 08:16 Atlanta (ATL) S
DL 1721 Non-stop Boeing 717 (717) 1:21 Effective 2026-07-07 through 2026-10-05
Daily 05:55 Mobile (MOB) 08:17 Atlanta (ATL) S
DL 1721 Non-stop Boeing 717 (717) 1:22 Effective from 2026-10-06
Daily 06:00 Mobile (MOB) 08:25 Atlanta (ATL) S
DL 1721 Non-stop Boeing 717 (717) 1:25 Effective 2026-01-05 through 2026-02-16
Tue,Wed 06:00 Mobile (MOB) 08:23 Atlanta (ATL) S
DL 1721 Non-stop Boeing 717 (717) 1:23 Effective 2026-02-17 through 2026-03-04
Mon,Thu-Sun 06:00 Mobile (MOB) 08:25 Atlanta (ATL) S
DL 1721 Non-stop Boeing 717 (717) 1:25 Effective 2026-02-19 through 2026-03-07
Daily 06:00 Mobile (MOB) 08:23 Atlanta (ATL) S
DL 1721 Non-stop Boeing 717 (717) 1:23 Effective 2026-03-08 through 2026-04-12
Daily 14:08 Luis Munoz Marin, San Juan (SJU) B 17:36 Boston Logan (BOS) A
DL 1721 Non-stop Airbus A321neo (32Q) 4:28 Valid until 2026-01-04
This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 1721: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL1721
05:55
Mobile (MOB)

08:17
Atlanta (ATL) S
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Boeing 717 (717)
Direct Flights:
Delta Air Lines DL1721
05:55
Mobile (MOB)

08:16
Atlanta (ATL) S
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Boeing 717 (717)
Direct Flights:
Delta Air Lines DL1721
05:55
Mobile (MOB)

08:17
Atlanta (ATL) S
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Boeing 717 (717)
Direct Flights:
Delta Air Lines DL1721
06:00
Mobile (MOB)

08:25
Atlanta (ATL) S
Effective 2026-01-05 through 2026-02-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Boeing 717 (717)
Direct Flights:
Delta Air Lines DL1721
06:00
Mobile (MOB)

08:23
Atlanta (ATL) S
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:23, non-stop
Boeing 717 (717)
Direct Flights:
Delta Air Lines DL1721
06:00
Mobile (MOB)

08:25
Atlanta (ATL) S
Effective 2026-02-19 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Boeing 717 (717)
Direct Flights:
Delta Air Lines DL1721
06:00
Mobile (MOB)

08:23
Atlanta (ATL) S
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Boeing 717 (717)
Direct Flights:
Delta Air Lines DL1721
14:08
Luis Munoz Marin, San Juan (SJU) B

17:36
Boston Logan (BOS) A
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:28, non-stop
Airbus A321neo (32Q)
This flight number is listed as serving the following routes:
  • Luis Munoz Marin, San Juan (SJU) - Boston Logan (BOS)
  • Mobile (MOB) - Atlanta (ATL)
All Delta Air Lines flights
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