El Al
flight
LY 4577:
Boston Logan - Chicago O'Hare
Boston Logan - Chicago O'Hare
FLIGHT SCHEDULE
Direct Codeshare Flights:
El Al LY4577
Effective 2026-02-12 through 2026-02-19
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Codeshare flight, operated by Delta Air Lines.
(DL 5596)
Duration: 3:13, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
El Al LY4577
Effective 2026-02-22 through 2026-03-05
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Codeshare flight, operated by Delta Air Lines.
(DL 5596)
Duration: 3:13, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
El Al LY4577
Effective 2026-01-20 through 2026-02-05
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 5596)
Duration: 3:11, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
El Al LY4577
Operates only on 2026-02-10
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 5596)
Duration: 3:11, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
El Al LY4577
Operates only on 2026-05-24
Mon
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Tue
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 2646)
Duration: 2:57, non-stop Airbus A319 (319)
Direct Codeshare Flights:
El Al LY4577
Effective 2026-04-13 through 2026-05-04
Mon
Tue
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Wed
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Codeshare flight, operated by Delta Air Lines.
(DL 2646)
Duration: 2:57, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
El Al LY4577
Effective 2026-05-07 through 2026-05-18
Mon
Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 2646)
Duration: 2:57, non-stop Airbus A319 (319)
Direct Codeshare Flights:
El Al LY4577
Effective 2026-05-25 through 2026-09-17
Mon
Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 2646)
Duration: 2:57, non-stop Airbus A319 (319)
Direct Codeshare Flights:
El Al LY4577
Effective 2026-09-24 through 2026-10-05
Mon
Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 2646)
Duration: 2:57, non-stop Airbus A319 (319)
Direct Codeshare Flights:
El Al LY4577
Effective 2026-10-08 through 2026-10-22
Mon
Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 2646)
Duration: 3:00, non-stop Airbus A319 (319)
Direct Codeshare Flights:
El Al LY4577
Effective 2026-03-30 through 2026-04-06
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 2646)
Duration: 3:06, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
El Al LY4577
Operates only on 2026-04-09
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 2646)
Duration: 3:06, non-stop Airbus A220-300 (223)
- LY 4577 is a domestic flight departing from the Boston Logan airport (BOS) and arriving at Chicago O'Hare airport (ORD).
- The flight distance is 864 miles, or 1390 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 2:57 and 3:13.