Finnair flights from San Francisco (SFO) to Chicago O'Hare (ORD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Sat,Sun 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4097 Non-stop Airbus A321 (321) 4:24 Effective 2026-07-04 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2562)
Daily 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4102 Non-stop Airbus A321 (321) 4:24 Effective 2026-05-21 through 2026-06-07
Codeshare flight, operated by American Airlines.(AA 2550)
Daily 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4102 Non-stop Airbus A321 (321) 4:24 Effective 2026-06-09 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2550)
Mon,Wed,Thu,Sat,Sun 13:24 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4110 Non-stop Boeing 737 MAX 8 (7M8) 4:21 Effective 2026-04-08 through 2026-04-30
Codeshare flight, operated by American Airlines.(AA 2418)
Daily 13:24 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4110 Non-stop Boeing 737 MAX 8 (7M8) 4:21 Effective 2026-05-01 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 2418)
Thu,Fri 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4120 Non-stop Airbus A321 (321) 4:24 Effective 2026-07-02 through 2026-07-31
Codeshare flight, operated by American Airlines.(AA 2562)
Daily 13:19 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4140 Non-stop Boeing 737-800 (738) 4:26 Effective 2026-10-05 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 2358)
Tue,Fri 13:19 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4140 Non-stop Boeing 737-800 (738) 4:26 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 2358)
Mon 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4140 Non-stop Airbus A321 (321) 4:24 Operates only on 2026-06-08
Codeshare flight, operated by American Airlines.(AA 2550)
Tue-Sun 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4140 Non-stop Airbus A321 (321) 4:24 Effective 2026-09-09 through 2026-09-27
Codeshare flight, operated by American Airlines.(AA 1826)
Daily 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4140 Non-stop Airbus A321 (321) 4:24 Effective 2026-09-28 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 1826)
Daily 13:16 San Francisco (SFO) 1 19:39 Chicago O'Hare (ORD) 3
Finnair AY 4147 Non-stop Boeing 737-800 (738) 4:23 Effective 2026-08-05 through 2026-08-14
Codeshare flight, operated by American Airlines.(AA 1851)
Tue-Fri,Sun 13:16 San Francisco (SFO) 1 19:39 Chicago O'Hare (ORD) 3
Finnair AY 4147 Non-stop Boeing 737-800 (738) 4:23 Effective 2026-08-16 through 2026-09-04
Codeshare flight, operated by American Airlines.(AA 1851)
Tue,Sat,Sun 13:16 San Francisco (SFO) 1 19:39 Chicago O'Hare (ORD) 3
Finnair AY 4147 Non-stop Boeing 737-800 (738) 4:23 Effective 2026-09-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 1851)
Mon,Wed 13:21 San Francisco (SFO) 1 19:45 Chicago O'Hare (ORD) 3
Finnair AY 4147 Non-stop Airbus A321 (321) 4:24 Effective 2026-07-06 through 2026-08-03
Codeshare flight, operated by American Airlines.(AA 2562)




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Finnair flights from San Francisco (SFO) to Chicago O'Hare (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4097
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-07-04 through 2026-08-04
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2562)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4102
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2550)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4102
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-06-09 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2550)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4110
13:24
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-04-08 through 2026-04-30
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2418)
Duration: 4:21, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4110
13:24
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-05-01 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2418)
Duration: 4:21, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4120
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-07-02 through 2026-07-31
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2562)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4140
13:19
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-10-05 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2358)
Duration: 4:26, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4140
13:19
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2358)
Duration: 4:26, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4140
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Operates only on 2026-06-08
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2550)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4140
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-09-09 through 2026-09-27
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1826)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4140
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-09-28 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1826)
Duration: 4:24, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4147
13:16
San Francisco (SFO) 1

19:39
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1851)
Duration: 4:23, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4147
13:16
San Francisco (SFO) 1

19:39
Chicago O'Hare (ORD) 3
Effective 2026-08-16 through 2026-09-04
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1851)
Duration: 4:23, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4147
13:16
San Francisco (SFO) 1

19:39
Chicago O'Hare (ORD) 3
Effective 2026-09-05 through 2026-09-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1851)
Duration: 4:23, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4147
13:21
San Francisco (SFO) 1

19:45
Chicago O'Hare (ORD) 3
Effective 2026-07-06 through 2026-08-03
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2562)
Duration: 4:24, non-stop
Airbus A321 (321)
  • A domestic route departing from the San Francisco airport (SFO) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 1840 miles, or 2962 km.
  • The timezone of the departure airport is UTC-8 , 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 4:21 and 4:26.
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