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 07:35 New York John F. Kennedy (JFK) 4 10:20 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:45 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 4688)
Mon-Fri,Sun 07:45 New York John F. Kennedy (JFK) 4 10:15 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:30 Effective 2025-07-07 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 5014)
Mon-Fri,Sun 07:45 New York John F. Kennedy (JFK) 4 10:25 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2025-09-08 through 2025-09-22
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 07:45 New York John F. Kennedy (JFK) 4 10:25 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2025-09-25 through 2025-10-01
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon,Wed-Fri,Sun 07:45 New York John F. Kennedy (JFK) 4 10:25 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2025-10-03 through 2025-10-20
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Tue-Fri,Sun 07:45 New York John F. Kennedy (JFK) 4 10:25 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2025-10-21 through 2025-10-26
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 07:45 New York John F. Kennedy (JFK) 4 10:25 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2025-10-30 through 2025-12-23
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon,Sun 07:45 New York John F. Kennedy (JFK) 4 10:25 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:40 Effective 2026-01-04 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 07:45 New York John F. Kennedy (JFK) 4 10:30 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:45 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 5483)
Mon-Fri,Sun 08:00 New York John F. Kennedy (JFK) 4 10:46 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:46 Effective 2025-05-07 through 2025-06-01
Codeshare flight, operated by Delta Air Lines.(DL 5014)
Tue-Fri 08:00 New York John F. Kennedy (JFK) 4 10:46 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:46 Effective 2025-06-03 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 5014)
Mon-Fri,Sun 08:00 New York John F. Kennedy (JFK) 4 10:45 Jacksonville (JAX)
LY 4321 Non-stop Canadair CRJ 900 (CR9) 2:45 Effective 2025-06-08 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 5014)
Daily 19:59 New York John F. Kennedy (JFK) 4 22:51 Jacksonville (JAX)
LY 4321 Non-stop Airbus A220-300 (223) 2:52 Effective 2025-12-24 through 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 1134)
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Parallax here JFK-JAX
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
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4688)
Duration: 2:45, non-stop
Canadair CRJ 900 (CR9)

El Al LY4321
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5014)
Duration: 2:30, non-stop
Canadair CRJ 900 (CR9)

El Al LY4321
Effective 2025-09-08 through 2025-09-22
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)

El Al LY4321
Effective 2025-09-25 through 2025-10-01
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)

El Al LY4321
Effective 2025-10-03 through 2025-10-20
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)

El Al LY4321
Effective 2025-10-21 through 2025-10-26
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)

El Al LY4321
Effective 2025-10-30 through 2025-12-23
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)

El Al LY4321
Effective 2026-01-04 through 2026-01-05
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)

El Al LY4321
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5483)
Duration: 2:45, non-stop
Canadair CRJ 900 (CR9)

El Al LY4321
Effective 2025-05-07 through 2025-06-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5014)
Duration: 2:46, non-stop
Canadair CRJ 900 (CR9)

El Al LY4321
Effective 2025-06-03 through 2025-06-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5014)
Duration: 2:46, non-stop
Canadair CRJ 900 (CR9)

El Al LY4321
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5014)
Duration: 2:45, non-stop
Canadair CRJ 900 (CR9)

El Al LY4321
Effective 2025-12-24 through 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1134)
Duration: 2:52, non-stop
Airbus A220-300 (223)
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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 2:30 and 2:52.