Gulf Air
flight
GF 4120:
London Heathrow - Chicago O'Hare
London Heathrow - Chicago O'Hare
FLIGHT SCHEDULE
Direct Codeshare Flights:
Gulf Air GF4120
Valid until 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 91)
Duration: 8:50, non-stop Boeing 787-8 (788)
Direct Codeshare Flights:
Gulf Air GF4120
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 91)
Duration: 8:50, non-stop Boeing 787-8 (788)
Direct Codeshare Flights:
Gulf Air GF4120
Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 91)
Duration: 8:35, non-stop Boeing 787-8 (788)
Direct Codeshare Flights:
Gulf Air GF4120
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 91)
Duration: 7:35, non-stop Boeing 787-8 (788)
- GF 4120 is an international flight departing from London Heathrow airport, United Kingdom (LHR) and arriving at Chicago O'Hare airport, United States (ORD).
- The flight distance is 3940 miles, or 6340 km.
- The timezone of the departure airport is UTC+0 , 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 7:35 and 8:50.