El Al flight LY 4321: New York John F. Kennedy - Jacksonville

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 07:41 New York John F. Kennedy (JFK) 4 10:27 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:46 Effective 2026-01-05 through 2026-02-05
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Wed,Sun 07:41 New York John F. Kennedy (JFK) 4 10:27 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:46 Effective 2026-02-08 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Fri 07:45 New York John F. Kennedy (JFK) 4 10:27 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:42 Operates only on 2026-02-06
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 07:50 New York John F. Kennedy (JFK) 4 10:34 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:44 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Thu,Fri,Sun 07:50 New York John F. Kennedy (JFK) 4 10:30 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2026-03-08 through 2026-03-29
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Wed,Fri,Sun 07:50 New York John F. Kennedy (JFK) 4 10:30 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2026-03-30 through 2026-04-07
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Thu,Fri,Sun 07:50 New York John F. Kennedy (JFK) 4 10:30 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2026-04-09 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 08:00 New York John F. Kennedy (JFK) 4 10:35 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:35 Effective 2026-04-13 through 2026-05-21
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 08:00 New York John F. Kennedy (JFK) 4 10:35 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:35 Effective 2026-05-24 through 2026-09-11
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri 08:00 New York John F. Kennedy (JFK) 4 10:35 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:35 Effective 2026-09-14 through 2026-09-18
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 08:00 New York John F. Kennedy (JFK) 4 10:35 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:35 Effective 2026-09-22 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 08:00 New York John F. Kennedy (JFK) 4 10:44 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:44 Effective 2026-10-06 through 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon,Thu,Fri,Sun 08:00 New York John F. Kennedy (JFK) 4 10:44 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:44 Effective from 2026-10-29
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Tue 15:45 New York John F. Kennedy (JFK) 4 18:36 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:51 Operates only on 2026-03-24
Codeshare flight, operated by Delta Air Lines.(DL 5235)
Sat 18:59 New York John F. Kennedy (JFK) 4 21:44 Jacksonville (JAX)
LY 4321 Non-stop Airbus A220-300 (223) 2:45 Valid until 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 1134)
Mon-Fri,Sun 20:30 New York John F. Kennedy (JFK) 4 23:14 Jacksonville (JAX)
LY 4321 Non-stop Airbus A220-300 (223) 2:44 Valid until 2026-01-02
Codeshare flight, operated by Delta Air Lines.(DL 1134)
Sun 20:30 New York John F. Kennedy (JFK) 4 23:23 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:53 Operates only on 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 5333)
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El Al flight LY 4321:
New York John F. Kennedy - Jacksonville
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
El Al LY4321
07:41
New York John F. Kennedy (JFK) 4

10:27
Jacksonville (JAX)
Effective 2026-01-05 through 2026-02-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:46, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
07:41
New York John F. Kennedy (JFK) 4

10:27
Jacksonville (JAX)
Effective 2026-02-08 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:46, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
07:45
New York John F. Kennedy (JFK) 4

10:27
Jacksonville (JAX)
Operates only on 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:42, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
07:50
New York John F. Kennedy (JFK) 4

10:34
Jacksonville (JAX)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:44, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
07:50
New York John F. Kennedy (JFK) 4

10:30
Jacksonville (JAX)
Effective 2026-03-08 through 2026-03-29
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:40, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
07:50
New York John F. Kennedy (JFK) 4

10:30
Jacksonville (JAX)
Effective 2026-03-30 through 2026-04-07
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:40, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
07:50
New York John F. Kennedy (JFK) 4

10:30
Jacksonville (JAX)
Effective 2026-04-09 through 2026-04-12
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:40, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
08:00
New York John F. Kennedy (JFK) 4

10:35
Jacksonville (JAX)
Effective 2026-04-13 through 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:35, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
08:00
New York John F. Kennedy (JFK) 4

10:35
Jacksonville (JAX)
Effective 2026-05-24 through 2026-09-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:35, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
08:00
New York John F. Kennedy (JFK) 4

10:35
Jacksonville (JAX)
Effective 2026-09-14 through 2026-09-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:35, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
08:00
New York John F. Kennedy (JFK) 4

10:35
Jacksonville (JAX)
Effective 2026-09-22 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:35, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
08:00
New York John F. Kennedy (JFK) 4

10:44
Jacksonville (JAX)
Effective 2026-10-06 through 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:44, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
08:00
New York John F. Kennedy (JFK) 4

10:44
Jacksonville (JAX)
Effective from 2026-10-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:44, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
15:45
New York John F. Kennedy (JFK) 4

18:36
Jacksonville (JAX)
Operates only on 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5235)
Duration: 2:51, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
El Al LY4321
18:59
New York John F. Kennedy (JFK) 4

21:44
Jacksonville (JAX)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1134)
Duration: 2:45, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
El Al LY4321
20:30
New York John F. Kennedy (JFK) 4

23:14
Jacksonville (JAX)
Valid until 2026-01-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1134)
Duration: 2:44, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
El Al LY4321
20:30
New York John F. Kennedy (JFK) 4

23:23
Jacksonville (JAX)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5333)
Duration: 2:53, non-stop
Canadair CRJ 900 (CR9)
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  • LY 4321 is a domestic flight departing from the New York John F. Kennedy airport (JFK) and arriving at Jacksonville airport (JAX).
  • The flight distance is 829 miles, or 1334 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 2:35 and 2:53.
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