El Al flight LY 4521: Atlanta - Boston Logan

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 07:25 Atlanta (ATL) S 10:00 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321neo (32Q) 2:35 Effective 2026-03-29 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 987)
Wed,Sun 07:25 Atlanta (ATL) S 10:03 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:38 Effective 2026-04-15 through 2026-07-05
Codeshare flight, operated by Delta Air Lines.(DL 987)
Wed 07:25 Atlanta (ATL) S 10:04 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:39 Effective 2026-07-08 through 2026-09-23
Codeshare flight, operated by Delta Air Lines.(DL 987)
Sun 07:25 Atlanta (ATL) S 10:04 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:39 Effective 2026-07-12 through 2026-09-06
Codeshare flight, operated by Delta Air Lines.(DL 987)
Wed,Sun 07:25 Atlanta (ATL) S 10:04 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:39 Effective 2026-09-27 through 2026-10-04
Codeshare flight, operated by Delta Air Lines.(DL 987)
Wed,Sun 07:25 Atlanta (ATL) S 10:03 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:38 Effective 2026-10-07 through 2026-10-21
Codeshare flight, operated by Delta Air Lines.(DL 987)
Sun 11:50 Atlanta (ATL) S 14:20 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:30 Operates only on 2026-01-18
Codeshare flight, operated by Delta Air Lines.(DL 350)
Tue,Thu 12:15 Atlanta (ATL) S 14:47 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:32 Valid until 2026-01-01
Codeshare flight, operated by Delta Air Lines.(DL 350)
Sun 12:15 Atlanta (ATL) S 14:45 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:30 Operates only on 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 350)
Tue,Thu,Sun 14:50 Atlanta (ATL) S 17:23 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:33 Effective 2026-01-06 through 2026-01-15
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Tue,Thu,Sun 14:50 Atlanta (ATL) S 17:23 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:33 Effective 2026-01-20 through 2026-02-10
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Tue,Thu,Sun 14:59 Atlanta (ATL) S 17:32 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:33 Effective 2026-02-12 through 2026-03-26
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Mon 14:59 Atlanta (ATL) S 17:32 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:33 Effective 2026-03-30 through 2026-04-06
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Thu 14:59 Atlanta (ATL) S 17:32 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:33 Operates only on 2026-04-09
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Mon,Thu 15:10 Atlanta (ATL) S 17:55 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:45 Effective 2026-04-13 through 2026-05-18
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Mon,Thu 15:10 Atlanta (ATL) S 17:55 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:45 Effective 2026-05-25 through 2026-07-06
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Mon,Thu 15:10 Atlanta (ATL) S 17:57 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:47 Effective 2026-07-09 through 2026-09-17
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Mon,Thu 15:10 Atlanta (ATL) S 17:57 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:47 Effective 2026-09-24 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Mon,Thu 15:10 Atlanta (ATL) S 17:48 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:38 Effective 2026-10-08 through 2026-10-22
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Tue,Thu,Sun 15:10 Atlanta (ATL) S 17:48 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:38 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 2595)
Sat 20:15 Atlanta (ATL) S 22:56 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:41 Effective 2026-05-09 through 2026-06-06
Codeshare flight, operated by Delta Air Lines.(DL 2269)
Thu 21:15 Atlanta (ATL) S 23:56 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:41 Operates only on 2026-05-21
Codeshare flight, operated by Delta Air Lines.(DL 2269)
Sat 21:15 Atlanta (ATL) S 23:56 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:41 Effective 2026-06-13 through 2026-09-19
Codeshare flight, operated by Delta Air Lines.(DL 2269)
Mon,Sat 21:15 Atlanta (ATL) S 23:56 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:41 Effective 2026-09-21 through 2026-09-26
Codeshare flight, operated by Delta Air Lines.(DL 2269)
Sat 21:15 Atlanta (ATL) S 23:56 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:41 Operates only on 2026-10-03
Codeshare flight, operated by Delta Air Lines.(DL 2269)
Sat 21:15 Atlanta (ATL) S 23:48 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:33 Effective 2026-10-10 through 2026-10-24
Codeshare flight, operated by Delta Air Lines.(DL 2269)
Wed,Fri 21:15 Atlanta (ATL) S 23:48 Boston Logan (BOS) A
LY 4521 Non-stop Airbus A321 (321) 2:33 Effective from 2026-10-28
Codeshare flight, operated by Delta Air Lines.(DL 2269)


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El Al flight LY 4521:
Atlanta - Boston Logan
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
El Al LY4521
07:25
Atlanta (ATL) S

10:00
Boston Logan (BOS) A
Effective 2026-03-29 through 2026-04-12
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 987)
Duration: 2:35, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
El Al LY4521
07:25
Atlanta (ATL) S

10:03
Boston Logan (BOS) A
Effective 2026-04-15 through 2026-07-05
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 987)
Duration: 2:38, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
07:25
Atlanta (ATL) S

10:04
Boston Logan (BOS) A
Effective 2026-07-08 through 2026-09-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 987)
Duration: 2:39, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
07:25
Atlanta (ATL) S

10:04
Boston Logan (BOS) A
Effective 2026-07-12 through 2026-09-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 987)
Duration: 2:39, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
07:25
Atlanta (ATL) S

10:04
Boston Logan (BOS) A
Effective 2026-09-27 through 2026-10-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 987)
Duration: 2:39, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
07:25
Atlanta (ATL) S

10:03
Boston Logan (BOS) A
Effective 2026-10-07 through 2026-10-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 987)
Duration: 2:38, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
11:50
Atlanta (ATL) S

14:20
Boston Logan (BOS) A
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 350)
Duration: 2:30, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
12:15
Atlanta (ATL) S

14:47
Boston Logan (BOS) A
Valid until 2026-01-01
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 350)
Duration: 2:32, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
12:15
Atlanta (ATL) S

14:45
Boston Logan (BOS) A
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 350)
Duration: 2:30, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
14:50
Atlanta (ATL) S

17:23
Boston Logan (BOS) A
Effective 2026-01-06 through 2026-01-15
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:33, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
14:50
Atlanta (ATL) S

17:23
Boston Logan (BOS) A
Effective 2026-01-20 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:33, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
14:59
Atlanta (ATL) S

17:32
Boston Logan (BOS) A
Effective 2026-02-12 through 2026-03-26
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:33, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
14:59
Atlanta (ATL) S

17:32
Boston Logan (BOS) A
Effective 2026-03-30 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:33, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
14:59
Atlanta (ATL) S

17:32
Boston Logan (BOS) A
Operates only on 2026-04-09
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:33, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
15:10
Atlanta (ATL) S

17:55
Boston Logan (BOS) A
Effective 2026-04-13 through 2026-05-18
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:45, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
15:10
Atlanta (ATL) S

17:55
Boston Logan (BOS) A
Effective 2026-05-25 through 2026-07-06
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:45, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
15:10
Atlanta (ATL) S

17:57
Boston Logan (BOS) A
Effective 2026-07-09 through 2026-09-17
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:47, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
15:10
Atlanta (ATL) S

17:57
Boston Logan (BOS) A
Effective 2026-09-24 through 2026-10-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:47, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
15:10
Atlanta (ATL) S

17:48
Boston Logan (BOS) A
Effective 2026-10-08 through 2026-10-22
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:38, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
15:10
Atlanta (ATL) S

17:48
Boston Logan (BOS) A
Effective from 2026-10-25
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2595)
Duration: 2:38, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
20:15
Atlanta (ATL) S

22:56
Boston Logan (BOS) A
Effective 2026-05-09 through 2026-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2269)
Duration: 2:41, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
21:15
Atlanta (ATL) S

23:56
Boston Logan (BOS) A
Operates only on 2026-05-21
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2269)
Duration: 2:41, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
21:15
Atlanta (ATL) S

23:56
Boston Logan (BOS) A
Effective 2026-06-13 through 2026-09-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2269)
Duration: 2:41, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
21:15
Atlanta (ATL) S

23:56
Boston Logan (BOS) A
Effective 2026-09-21 through 2026-09-26
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2269)
Duration: 2:41, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
21:15
Atlanta (ATL) S

23:56
Boston Logan (BOS) A
Operates only on 2026-10-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2269)
Duration: 2:41, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
21:15
Atlanta (ATL) S

23:48
Boston Logan (BOS) A
Effective 2026-10-10 through 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2269)
Duration: 2:33, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
El Al LY4521
21:15
Atlanta (ATL) S

23:48
Boston Logan (BOS) A
Effective from 2026-10-28
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2269)
Duration: 2:33, non-stop
Airbus A321 (321)
  • LY 4521 is a domestic flight departing from the Atlanta airport (ATL) and arriving at Boston Logan airport (BOS).
  • 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 2:30 and 2:47.
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All ATL-BOS flights
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