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

FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:39 Rochester (ROC) 09:00 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4047 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2026-03-08 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 3766)
Wed 07:40 Rochester (ROC) 09:00 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4047 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-02-18 through 2026-03-04 Codeshare flight, operated by American Airlines.(AA 3766)
Sun 07:41 Rochester (ROC) 09:01 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4047 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-02-15 through 2026-03-01 Codeshare flight, operated by American Airlines.(AA 3766)
Mon,Tue,Thu-Sat 07:47 Rochester (ROC) 09:07 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4047 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-02-13 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 3766)
Daily 08:10 Rochester (ROC) 09:10 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4047 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3766)
Daily 18:18 Rochester (ROC) 19:27 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4062 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 4721)
Daily 18:51 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4062 Non-stop Embraer EMB 175 (E75) 1:59 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 3774)
Tue-Fri 18:35 Rochester (ROC) 19:56 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4229 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2026-01-06 through 2026-01-09 Codeshare flight, operated by American Airlines.(AA 3765)
Daily 18:50 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4229 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3820)
Daily 11:40 Rochester (ROC) 12:40 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4235 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 3786)
Daily 11:36 Rochester (ROC) 12:40 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4244 Non-stop Embraer EMB 175 (E75) 2:04 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 11:40 Rochester (ROC) 12:44 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4244 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:04 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 11:41 Rochester (ROC) 12:40 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4244 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 3775)
Daily 15:03 Rochester (ROC) 16:10 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4244 Non-stop Embraer EMB 175 (E75) 2:07 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 06:00 Rochester (ROC) 07:09 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4308 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 4485)
Daily 06:32 Rochester (ROC) 07:30 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4664 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 4247)
Daily 08:05 Rochester (ROC) 09:10 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4664 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:05 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 4247)
Mon,Tue,Thu-Sun 05:15 Rochester (ROC) 06:33 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4731 Non-stop Embraer EMB 175 (E75) 2:18 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 4745)
Daily 06:00 Rochester (ROC) 07:24 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4731 Non-stop Embraer EMB 175 (E75) 2:24 Effective 2026-01-07 through 2026-02-11 Codeshare flight, operated by American Airlines.(AA 4638)
Mon,Wed-Fri,Sun 11:34 Rochester (ROC) 12:44 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:10 Effective 2026-03-08 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 3838)
Tue 13:10 Rochester (ROC) 14:20 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:10 Effective 2026-03-10 through 2026-03-31 Codeshare flight, operated by American Airlines.(AA 3838)
Daily 15:02 Rochester (ROC) 16:10 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4780 Non-stop Embraer EMB 175 (E75) 2:08 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 4080)
Sat 17:02 Rochester (ROC) 18:27 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4780 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:25 Effective 2026-01-24 through 2026-02-07 Codeshare flight, operated by American Airlines.(AA 3765)
Sat 17:05 Rochester (ROC) 18:30 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4780 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:25 Operates only on 2026-01-10 Codeshare flight, operated by American Airlines.(AA 3765)
Mon-Fri,Sun 18:35 Rochester (ROC) 19:56 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4780 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2026-01-11 through 2026-02-11 Codeshare flight, operated by American Airlines.(AA 3765)
Mon-Fri,Sun 11:45 Rochester (ROC) 13:00 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6038 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective 2026-02-12 through 2026-03-06 Codeshare flight, operated by American Airlines.(AA 3688)
Daily 15:04 Rochester (ROC) 16:20 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6084 Non-stop Canadair CRJ 700 (CR7) 2:16 Effective 2026-05-21 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 6478)
Sat 17:36 Rochester (ROC) 18:52 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6084 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:16 Operates only on 2026-02-14 Codeshare flight, operated by American Airlines.(AA 3582)
Mon,Thu,Fri,Sun 18:27 Rochester (ROC) 19:48 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6084 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2026-02-12 through 2026-03-06 Codeshare flight, operated by American Airlines.(AA 3582)
Sat 18:28 Rochester (ROC) 19:49 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6084 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:21 Effective 2026-02-21 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 3582)
Sat 18:28 Rochester (ROC) 19:48 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6084 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:20 Effective 2026-03-14 through 2026-04-04 Codeshare flight, operated by American Airlines.(AA 3582)
Tue,Wed 18:32 Rochester (ROC) 19:53 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6084 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2026-02-17 through 2026-03-04 Codeshare flight, operated by American Airlines.(AA 3582)
Mon-Fri,Sun 18:35 Rochester (ROC) 19:55 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6084 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-03-08 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 3582)
Daily 18:38 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6084 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 3582)
Sat 12:26 Rochester (ROC) 13:39 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6158 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:13 Valid until 2026-01-03 Codeshare flight, operated by American Airlines.(AA 3740)
Mon-Fri,Sun 12:27 Rochester (ROC) 13:40 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6158 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:13 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 3740)
Daily 11:37 Rochester (ROC) 12:40 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6192 Non-stop Embraer EMB 175 (E75) 2:03 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 4671)
Daily 11:40 Rochester (ROC) 12:40 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6192 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3823)
Daily 18:50 Rochester (ROC) 19:50 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6268 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 3785)
Mon,Sun 19:18 Rochester (ROC) 20:44 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6519 Non-stop Embraer EMB 175 (E75) 2:26 Effective 2026-01-04 through 2026-01-05 Codeshare flight, operated by American Airlines.(AA 4680)
Daily 20:26 Rochester (ROC) 21:30 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6519 Non-stop Embraer EMB 175 (E75) 2:04 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 4680)
Sat 18:21 Rochester (ROC) 19:48 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6534 Non-stop Embraer EMB 175 (E75) 2:27 Valid until 2026-01-03 Codeshare flight, operated by American Airlines.(AA 4680)
Mon,Tue,Thu,Fri,Sun 19:18 Rochester (ROC) 20:44 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6534 Non-stop Embraer EMB 175 (E75) 2:26 Valid until 2026-01-02 Codeshare flight, operated by American Airlines.(AA 4680)
Mon-Fri,Sun 14:32 Rochester (ROC) 15:46 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6579 Non-stop Embraer EMB 175 (E75) 2:14 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 4325)
Tue 06:00 Rochester (ROC) 07:21 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6764 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:21 Operates only on 2026-01-06 Codeshare flight, operated by American Airlines.(AA 3403)
Daily 06:25 Rochester (ROC) 07:30 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6764 Non-stop Embraer EMB 175 (E75) 2:05 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 4441)
Daily 06:27 Rochester (ROC) 07:30 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6764 Non-stop Embraer EMB 175 (E75) 2:03 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 4441)
Daily 15:10 Rochester (ROC) 16:10 Chicago O'Hare (ORD) 3 Alaska Airlines AS 6839 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3825)

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 1:58 and 2:27.

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FLIGHT SCHEDULE

Direct Codeshare Flights:

Alaska Airlines AS4047

07:39

Rochester (ROC)

09:00

Chicago O'Hare (ORD) 3

Effective 2026-03-08 through 2026-04-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3766)

Duration: 2:21, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4047

07:40

Rochester (ROC)

09:00

Chicago O'Hare (ORD) 3

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3766)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4047

07:41

Rochester (ROC)

09:01

Chicago O'Hare (ORD) 3

Effective 2026-02-15 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3766)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4047

07:47

Rochester (ROC)

09:07

Chicago O'Hare (ORD) 3

Effective 2026-02-13 through 2026-03-07

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3766)

Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4047

08:10

Rochester (ROC)

09:10

Chicago O'Hare (ORD) 3

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3766)

Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4062

18:18

Rochester (ROC)

19:27

Chicago O'Hare (ORD) 3

Effective 2026-08-05 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)

Direct Codeshare Flights:

Alaska Airlines AS4062

18:51

Rochester (ROC)

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 3774)

Duration: 1:59, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4229

18:35

Rochester (ROC)

19:56

Chicago O'Hare (ORD) 3

Effective 2026-01-06 through 2026-01-09

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3765)

Duration: 2:21, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4229

18:50

Rochester (ROC)

19:50

Chicago O'Hare (ORD) 3

Effective 2026-04-07 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:

Alaska Airlines AS4235

11:40

Rochester (ROC)

12:40

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 3786)

Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4244

11:36

Rochester (ROC)

12:40

Chicago O'Hare (ORD) 3

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 2:04, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4244

11:40

Rochester (ROC)

12:44

Chicago O'Hare (ORD) 3

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 2:04, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4244

11:41

Rochester (ROC)

12:40

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 3775)

Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4244

15:03

Rochester (ROC)

16:10

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 2:07, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4308

06:00

Rochester (ROC)

07:09

Chicago O'Hare (ORD) 3

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4485)

Duration: 2:09, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4664

06:32

Rochester (ROC)

07:30

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 4247)

Duration: 1:58, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4664

08:05

Rochester (ROC)

09:10

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 4247)

Duration: 2:05, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4731

05:15

Rochester (ROC)

06:33

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4745)

Duration: 2:18, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4731

06:00

Rochester (ROC)

07:24

Chicago O'Hare (ORD) 3

Effective 2026-01-07 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4638)

Duration: 2:24, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4738

11:34

Rochester (ROC)

12:44

Chicago O'Hare (ORD) 3

Effective 2026-03-08 through 2026-04-06

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3838)

Duration: 2:10, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4738

13:10

Rochester (ROC)

14:20

Chicago O'Hare (ORD) 3

Effective 2026-03-10 through 2026-03-31

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3838)

Duration: 2:10, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4780

15:02

Rochester (ROC)

16:10

Chicago O'Hare (ORD) 3

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4080)

Duration: 2:08, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4780

17:02

Rochester (ROC)

18:27

Chicago O'Hare (ORD) 3

Effective 2026-01-24 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3765)

Duration: 2:25, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4780

17:05

Rochester (ROC)

18:30

Chicago O'Hare (ORD) 3

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3765)

Duration: 2:25, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS4780

18:35

Rochester (ROC)

19:56

Chicago O'Hare (ORD) 3

Effective 2026-01-11 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3765)

Duration: 2:21, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6038

11:45

Rochester (ROC)

13:00

Chicago O'Hare (ORD) 3

Effective 2026-02-12 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3688)

Duration: 2:15, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS6084

15:04

Rochester (ROC)

16:20

Chicago O'Hare (ORD) 3

Effective 2026-05-21 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 6478)

Duration: 2:16, non-stop
Canadair CRJ 700 (CR7)

Direct Codeshare Flights:

Alaska Airlines AS6084

17:36

Rochester (ROC)

18:52

Chicago O'Hare (ORD) 3

Operates only on 2026-02-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3582)

Duration: 2:16, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS6084

18:27

Rochester (ROC)

19:48

Chicago O'Hare (ORD) 3

Effective 2026-02-12 through 2026-03-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3582)

Duration: 2:21, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6084

18:28

Rochester (ROC)

19:49

Chicago O'Hare (ORD) 3

Effective 2026-02-21 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3582)

Duration: 2:21, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS6084

18:28

Rochester (ROC)

19:48

Chicago O'Hare (ORD) 3

Effective 2026-03-14 through 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:

Alaska Airlines AS6084

18:32

Rochester (ROC)

19:53

Chicago O'Hare (ORD) 3

Effective 2026-02-17 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3582)

Duration: 2:21, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6084

18:35

Rochester (ROC)

19:55

Chicago O'Hare (ORD) 3

Effective 2026-03-08 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:

Alaska Airlines AS6084

18:38

Rochester (ROC)

19:50

Chicago O'Hare (ORD) 3

Effective 2026-09-09 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:

Alaska Airlines AS6158

12:26

Rochester (ROC)

13:39

Chicago O'Hare (ORD) 3

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3740)

Duration: 2:13, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS6158

12:27

Rochester (ROC)

13:40

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3740)

Duration: 2:13, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS6192

11:37

Rochester (ROC)

12:40

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4671)

Duration: 2:03, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6192

11:40

Rochester (ROC)

12:40

Chicago O'Hare (ORD) 3

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3823)

Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS6268

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:

Alaska Airlines AS6519

19:18

Rochester (ROC)

20:44

Chicago O'Hare (ORD) 3

Effective 2026-01-04 through 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 4680)

Duration: 2:26, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6519

20:26

Rochester (ROC)

21:30

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4680)

Duration: 2:04, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6534

18:21

Rochester (ROC)

19:48

Chicago O'Hare (ORD) 3

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 4680)

Duration: 2:27, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6534

19:18

Rochester (ROC)

20:44

Chicago O'Hare (ORD) 3

Valid until 2026-01-02

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 4680)

Duration: 2:26, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6579

14:32

Rochester (ROC)

15:46

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 4325)

Duration: 2:14, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6764

06:00

Rochester (ROC)

07:21

Chicago O'Hare (ORD) 3

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3403)

Duration: 2:21, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Codeshare Flights:

Alaska Airlines AS6764

06:25

Rochester (ROC)

07:30

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4441)

Duration: 2:05, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6764

06:27

Rochester (ROC)

07:30

Chicago O'Hare (ORD) 3

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4441)

Duration: 2:03, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS6839

15:10

Rochester (ROC)

16:10

Chicago O'Hare (ORD) 3

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3825)

Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)

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 1:58 and 2:27.

All ROC-ORD flights

All Alaska Airlines flights

Return (ORD-ROC) flights

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