Finnair flights from Rochester (ROC) to Chicago O'Hare (ORD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 18:28 Rochester (ROC) 19:48 Chicago O'Hare (ORD) 3
Finnair AY 4052 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:20 Operates only on 2026-04-04
Codeshare flight, operated by American Airlines.(AA 3582)
Mon,Wed,Thu,Sun 18:35 Rochester (ROC) 19:55 Chicago O'Hare (ORD) 3
Finnair AY 4052 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3582)
Tue-Sun 18:38 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4052 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective 2026-09-09 through 2026-09-27
Codeshare flight, operated by American Airlines.(AA 3582)
Daily 18:38 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4052 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective 2026-09-28 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3582)
Mon,Wed,Thu,Sat,Sun 18:50 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4052 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2026-04-08 through 2026-04-30
Codeshare flight, operated by American Airlines.(AA 3820)
Daily 18:50 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4052 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2026-05-01 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3820)
Daily 18:51 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4081 Non-stop Embraer EMB 175 (E75) 1:59 Effective 2026-05-21 through 2026-06-05
Codeshare flight, operated by American Airlines.(AA 3774)
Daily 18:51 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4081 Non-stop Embraer EMB 175 (E75) 1:59 Effective 2026-06-07 through 2026-06-30
Codeshare flight, operated by American Airlines.(AA 3774)
Mon,Wed,Fri,Sun 18:50 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4083 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-07-03 through 2026-08-03
Codeshare flight, operated by American Airlines.(AA 3785)
Sat 18:51 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4083 Non-stop Embraer EMB 175 (E75) 1:59 Operates only on 2026-06-06
Codeshare flight, operated by American Airlines.(AA 3774)
Wed 18:51 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4083 Non-stop Embraer EMB 175 (E75) 1:59 Operates only on 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3774)
Tue,Thu,Sat 18:50 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3
Finnair AY 4092 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 3785)
Daily 18:18 Rochester (ROC) 19:27 Chicago O'Hare (ORD) 3
Finnair AY 4237 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2026-08-05 through 2026-08-14
Codeshare flight, operated by American Airlines.(AA 4721)
Tue-Fri,Sun 18:18 Rochester (ROC) 19:27 Chicago O'Hare (ORD) 3
Finnair AY 4237 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2026-08-16 through 2026-09-04
Codeshare flight, operated by American Airlines.(AA 4721)
Tue,Sat,Sun 18:18 Rochester (ROC) 19:27 Chicago O'Hare (ORD) 3
Finnair AY 4237 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2026-09-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 4721)




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Finnair flights from Rochester (ROC) to Chicago O'Hare (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4052
18:28
Rochester (ROC)

19:48
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 3582)
Duration: 2:20, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY4052
18:35
Rochester (ROC)

19:55
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 3582)
Duration: 2:20, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4052
18:38
Rochester (ROC)

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 3582)
Duration: 2:12, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY4052
18:38
Rochester (ROC)

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 3582)
Duration: 2:12, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY4052
18:50
Rochester (ROC)

19:50
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 3820)
Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY4052
18:50
Rochester (ROC)

19:50
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 3820)
Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Finnair AY4081
18:51
Rochester (ROC)

19:50
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-06-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3774)
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4081
18:51
Rochester (ROC)

19:50
Chicago O'Hare (ORD) 3
Effective 2026-06-07 through 2026-06-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3774)
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4083
18:50
Rochester (ROC)

19:50
Chicago O'Hare (ORD) 3
Effective 2026-07-03 through 2026-08-03
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3785)
Duration: 2:00, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4083
18:51
Rochester (ROC)

19:50
Chicago O'Hare (ORD) 3
Operates only on 2026-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3774)
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4083
18:51
Rochester (ROC)

19:50
Chicago O'Hare (ORD) 3
Operates only on 2026-07-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3774)
Duration: 1:59, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4092
18:50
Rochester (ROC)

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 3785)
Duration: 2:00, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4237
18:18
Rochester (ROC)

19:27
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 4721)
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4237
18:18
Rochester (ROC)

19:27
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 4721)
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4237
18:18
Rochester (ROC)

19:27
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 4721)
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Rochester airport (ROC) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 526 miles, or 847 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 1:59 and 2:20.
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