Finnair flights from Louisville (SDF) to Chicago O'Hare (ORD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Thu,Sat,Sun 17:27 Louisville (SDF) 18:00 Chicago O'Hare (ORD) 3
Finnair AY 3665 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective 2026-04-08 through 2026-04-30
Codeshare flight, operated by American Airlines.(AA 3849)
Mon-Sat 17:27 Louisville (SDF) 18:00 Chicago O'Hare (ORD) 3
Finnair AY 3665 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective 2026-05-01 through 2026-05-09
Codeshare flight, operated by American Airlines.(AA 3849)
Sun 17:27 Louisville (SDF) 18:00 Chicago O'Hare (ORD) 3
Finnair AY 3665 Non-stop Airbus A319 (319) 1:33 Operates only on 2026-05-03
Codeshare flight, operated by American Airlines.(AA 3276)
Daily 17:27 Louisville (SDF) 18:00 Chicago O'Hare (ORD) 3
Finnair AY 3665 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective 2026-05-10 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3849)
Daily 19:15 Louisville (SDF) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 3665 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:35 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 3796)
Daily 19:16 Louisville (SDF) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 3665 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:34 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3785)
Daily 18:11 Louisville (SDF) 18:50 Chicago O'Hare (ORD) 3
Finnair AY 3675 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2026-08-05 through 2026-08-14
Codeshare flight, operated by American Airlines.(AA 3581)
Tue-Fri,Sun 18:11 Louisville (SDF) 18:50 Chicago O'Hare (ORD) 3
Finnair AY 3675 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2026-08-16 through 2026-09-01
Codeshare flight, operated by American Airlines.(AA 3581)
Tue 18:11 Louisville (SDF) 18:50 Chicago O'Hare (ORD) 3
Finnair AY 3675 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Operates only on 2026-09-08
Codeshare flight, operated by American Airlines.(AA 3581)
Tue-Sun 19:07 Louisville (SDF) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 3675 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Effective 2026-09-09 through 2026-09-27
Codeshare flight, operated by American Airlines.(AA 3523)
Daily 19:07 Louisville (SDF) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 3675 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Effective 2026-09-28 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3523)
Daily 19:14 Louisville (SDF) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 3675 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective 2026-10-05 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 3588Z)
Tue,Fri 19:14 Louisville (SDF) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 3675 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:36 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 3588Z)
Sat 12:10 Louisville (SDF) 12:47 Chicago O'Hare (ORD) 3
Finnair AY 3679 Non-stop Embraer EMB 175 (E75) 1:37 Operates only on 2026-04-04
Codeshare flight, operated by American Airlines.(AA 4765)
Wed-Sun 18:11 Louisville (SDF) 18:50 Chicago O'Hare (ORD) 3
Finnair AY 3679 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2026-09-02 through 2026-09-06
Codeshare flight, operated by American Airlines.(AA 3581)
Mon,Wed,Thu,Sun 18:12 Louisville (SDF) 19:00 Chicago O'Hare (ORD) 3
Finnair AY 3679 Non-stop Embraer EMB 175 (E75) 1:48 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 4432)




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Finnair flights from Louisville (SDF) to Chicago O'Hare (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY3665
17:27
Louisville (SDF)

18:00
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 3849)
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3665
17:27
Louisville (SDF)

18:00
Chicago O'Hare (ORD) 3
Effective 2026-05-01 through 2026-05-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3849)
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3665
17:27
Louisville (SDF)

18:00
Chicago O'Hare (ORD) 3
Operates only on 2026-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3276)
Duration: 1:33, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY3665
17:27
Louisville (SDF)

18:00
Chicago O'Hare (ORD) 3
Effective 2026-05-10 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3849)
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3665
19:15
Louisville (SDF)

19:50
Chicago O'Hare (ORD) 3
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3796)
Duration: 1:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3665
19:16
Louisville (SDF)

19:50
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3785)
Duration: 1:34, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3675
18:11
Louisville (SDF)

18:50
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 3581)
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3675
18:11
Louisville (SDF)

18:50
Chicago O'Hare (ORD) 3
Effective 2026-08-16 through 2026-09-01
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3581)
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3675
18:11
Louisville (SDF)

18:50
Chicago O'Hare (ORD) 3
Operates only on 2026-09-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3581)
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3675
19:07
Louisville (SDF)

19:50
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 3523)
Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3675
19:07
Louisville (SDF)

19:50
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 3523)
Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3675
19:14
Louisville (SDF)

19:50
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 3588Z)
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3675
19:14
Louisville (SDF)

19:50
Chicago O'Hare (ORD) 3
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines.(AA 3588Z)
Duration: 1:36, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3679
12:10
Louisville (SDF)

12:47
Chicago O'Hare (ORD) 3
Operates only on 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4765)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3679
18:11
Louisville (SDF)

18:50
Chicago O'Hare (ORD) 3
Effective 2026-09-02 through 2026-09-06
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3581)
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY3679
18:12
Louisville (SDF)

19:00
Chicago O'Hare (ORD) 3
Effective 2026-03-29 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4432)
Duration: 1:48, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Louisville airport (SDF) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 287 miles, or 461 km.
  • The timezone of the departure airport is UTC-5 , 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 1:33 and 1:48.
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