Finnair
flight
AY 4157:
Houston George Bush - Chicago O'Hare
Houston George Bush - Chicago O'Hare
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4426)
Duration: 3:18, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4443)
Duration: 3:10, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-10-05 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4591)
Duration: 2:58, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective from 2026-10-27
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 4591)
Duration: 2:58, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-09-09 through 2026-09-27
Mon
-
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3961)
Duration: 2:55, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-09-28 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 3961)
Duration: 2:55, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-08-05 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4591)
Duration: 2:50, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-08-16 through 2026-09-04
Mon
-
-
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by American Airlines.
(AA 4591)
Duration: 2:50, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-09-05 through 2026-09-08
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 4591)
Duration: 2:50, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-04-08 through 2026-04-30
Mon
Tue
-
-
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2133)
Duration: 2:42, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4157
Effective 2026-05-01 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines.
(AA 2133)
Duration: 2:42, non-stop Airbus A319 (319)
- AY 4157 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Chicago O'Hare airport (ORD).
- The flight distance is 925 miles, or 1489 km.
- The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 2:42 and 3:18.