LATAM Airlines flight LA 6421: Boston Logan - Atlanta

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 14:32 Knoxville (TYS) 15:39 Atlanta (ATL) S
LA 6421 Non-stop Canadair CRJ 900 (CR9) 1:07 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 5252)
Sat 15:58 Boston Logan (BOS) A 18:54 Atlanta (ATL) S
LA 6421 Non-stop Boeing 757 (757) 2:56 Valid until 2025-05-03
Codeshare flight, operated by Delta Air Lines.(DL 399)
Mon-Fri,Sun 16:00 Boston Logan (BOS) A 18:53 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 2:53 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 399)
Fri 16:05 Boston Logan (BOS) A 18:54 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 2:49 Operates only on 2025-05-23
Codeshare flight, operated by Delta Air Lines.(DL 399)
Mon,Thu,Fri,Sun 16:20 Boston Logan (BOS) A 19:20 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 3:00 Effective 2025-06-08 through 2025-07-07
Codeshare flight, operated by Delta Air Lines.(DL 399)
Daily 16:20 Boston Logan (BOS) A 19:20 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 3:00 Effective 2025-07-08 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 399)
Daily 16:20 Boston Logan (BOS) A 19:19 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 2:59 Effective 2025-09-08 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 399)
Daily 16:20 Boston Logan (BOS) A 19:26 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 3:06 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 399)
Daily 16:25 Boston Logan (BOS) A 19:18 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 2:53 Effective 2025-05-07 through 2025-05-22
Codeshare flight, operated by Delta Air Lines.(DL 399)
Daily 16:25 Boston Logan (BOS) A 19:18 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 2:53 Effective 2025-05-24 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 399)
Tue,Wed,Sat 16:50 Boston Logan (BOS) A 19:47 Atlanta (ATL) S
LA 6421 Non-stop Airbus A321 (321) 2:57 Effective 2025-06-10 through 2025-07-05
Codeshare flight, operated by Delta Air Lines.(DL 399)
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LATAM Airlines flight LA 6421:
Boston Logan - Atlanta
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
LATAM Airlines LA6421
14:32
Knoxville (TYS)

15:39
Atlanta (ATL) S
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5252)
Duration: 1:07, non-stop
Canadair CRJ 900 (CR9)
LATAM Airlines LA6421
15:58
Boston Logan (BOS) A

18:54
Atlanta (ATL) S
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 2:56, non-stop
Boeing 757 (757)
LATAM Airlines LA6421
16:00
Boston Logan (BOS) A

18:53
Atlanta (ATL) S
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 2:53, non-stop
Airbus A321 (321)
LATAM Airlines LA6421
16:05
Boston Logan (BOS) A

18:54
Atlanta (ATL) S
Operates only on 2025-05-23
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 2:49, non-stop
Airbus A321 (321)
LATAM Airlines LA6421
16:20
Boston Logan (BOS) A

19:20
Atlanta (ATL) S
Effective 2025-06-08 through 2025-07-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 3:00, non-stop
Airbus A321 (321)
LATAM Airlines LA6421
16:20
Boston Logan (BOS) A

19:20
Atlanta (ATL) S
Effective 2025-07-08 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 3:00, non-stop
Airbus A321 (321)
LATAM Airlines LA6421
16:20
Boston Logan (BOS) A

19:19
Atlanta (ATL) S
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 2:59, non-stop
Airbus A321 (321)
LATAM Airlines LA6421
16:20
Boston Logan (BOS) A

19:26
Atlanta (ATL) S
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 3:06, non-stop
Airbus A321 (321)
LATAM Airlines LA6421
16:25
Boston Logan (BOS) A

19:18
Atlanta (ATL) S
Effective 2025-05-07 through 2025-05-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 2:53, non-stop
Airbus A321 (321)
LATAM Airlines LA6421
16:25
Boston Logan (BOS) A

19:18
Atlanta (ATL) S
Effective 2025-05-24 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 2:53, non-stop
Airbus A321 (321)
LATAM Airlines LA6421
16:50
Boston Logan (BOS) A

19:47
Atlanta (ATL) S
Effective 2025-06-10 through 2025-07-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 399)
Duration: 2:57, non-stop
Airbus A321 (321)
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  • LA 6421 is a domestic flight departing from the Boston Logan airport (BOS) and arriving at Atlanta airport (ATL).
  • The flight distance is 945 miles, or 1520 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:07 and 3:06.
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