Finnair flight AY 3887: Chicago O'Hare - London Heathrow

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 19:50 Chicago O'Hare (ORD) 3 08:35 London Heathrow (LHR) 3
AY 3887 Non-stop Boeing 787-9 (789) 7:45 Effective from 2026-10-25
Codeshare flight, operated by American Airlines.(AA 46)
The flight arrives 1 day after departure.
Sat 19:55 Chicago O'Hare (ORD) 3 08:35 London Heathrow (LHR) 3
AY 3887 Non-stop Boeing 787-9 (789) 7:40 Operates only on 2026-10-24
Codeshare flight, operated by American Airlines.(AA 46)
The flight arrives 1 day after departure.
Daily 20:30 Chicago O'Hare (ORD) 3 10:30 London Heathrow (LHR) 3
AY 3887 Non-stop Boeing 787-9 (789) 8:00 Effective 2026-03-28 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 46)
The flight arrives 1 day after departure.
Daily 20:40 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3
AY 3887 Non-stop Boeing 787-9 (789) 7:45 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 90)
The flight arrives 1 day after departure.
Daily 20:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3
AY 3887 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-01-06 through 2026-02-01
Codeshare flight, operated by American Airlines.(AA 90)
The flight arrives 1 day after departure.
Mon-Thu 20:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3
AY 3887 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-02-04 through 2026-02-12
Codeshare flight, operated by American Airlines.(AA 90)
The flight arrives 1 day after departure.
Daily 20:45 Chicago O'Hare (ORD) 3 10:25 London Heathrow (LHR) 3
AY 3887 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-02-13 through 2026-03-07
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 3887 Non-stop Boeing 787-9 (789) 7:40 Effective 2026-03-08 through 2026-03-27
Codeshare flight, operated by American Airlines.(AA 90)
The flight arrives 1 day after departure.


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Finnair flight AY 3887:
Chicago O'Hare - London Heathrow
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY3887
19:50
Chicago O'Hare (ORD) 3

08:35(+1)
London Heathrow (LHR) 3
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 46)
Duration: 7:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY3887
19:55
Chicago O'Hare (ORD) 3

08:35(+1)
London Heathrow (LHR) 3
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 46)
Duration: 7:40, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY3887
20:30
Chicago O'Hare (ORD) 3

10:30(+1)
London Heathrow (LHR) 3
Effective 2026-03-28 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 46)
Duration: 8:00, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY3887
20:40
Chicago O'Hare (ORD) 3

10:25(+1)
London Heathrow (LHR) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 90)
Duration: 7:45, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY3887
20:45
Chicago O'Hare (ORD) 3

10:25(+1)
London Heathrow (LHR) 3
Effective 2026-01-06 through 2026-02-01
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.
Direct Codeshare Flights:
Finnair AY3887
20:45
Chicago O'Hare (ORD) 3

10:25(+1)
London Heathrow (LHR) 3
Effective 2026-02-04 through 2026-02-12
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.
Direct Codeshare Flights:
Finnair AY3887
20:45
Chicago O'Hare (ORD) 3

10:25(+1)
London Heathrow (LHR) 3
Effective 2026-02-13 through 2026-03-07
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.
Direct Codeshare Flights:
Finnair AY3887
21:45
Chicago O'Hare (ORD) 3

10:25(+1)
London Heathrow (LHR) 3
Effective 2026-03-08 through 2026-03-27
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.
  • AY 3887 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 varies between 7:40 and 8:00.
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