Finnair flight AY 3766: Chicago O'Hare - London Heathrow

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 20:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3
AY 3766 Non-stop Boeing 787-9 (789) 7:40 Effective from 2025-11-02
Codeshare flight, operated by American Airlines.(AA 90)
The flight arrives 1 day after departure.
Daily 21:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3
AY 3766 Non-stop Boeing 787-9 (789) 7:40 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 90)
The flight arrives 1 day after departure.
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Finnair flight AY 3766:
Chicago O'Hare - London Heathrow
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Finnair AY3766
Effective from 2025-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 90)
Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.

Finnair AY3766
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 90)
Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
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  • AY 3766 is an international flight departing from Chicago O'Hare airport, United States (ORD) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 3940 miles, or 6340 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC+0 . 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 is 7:40.