American Airlines flights from Harrisburg (MDT) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Flights:
Daily 18:35 Harrisburg (MDT) 19:50 Chicago O'Hare (ORD) 3 American Airlines AA 3243 Non-stop Airbus A319 (319) 2:15 Effective 2026-05-21 through 2026-07-01
Daily 18:36 Harrisburg (MDT) 19:50 Chicago O'Hare (ORD) 3 American Airlines AA 3243 Non-stop Airbus A319 (319) 2:14 Effective 2026-07-02 through 2026-08-04
Daily 19:00 Harrisburg (MDT) 20:23 Chicago O'Hare (ORD) 3 American Airlines AA 3243 Non-stop Airbus A319 (319) 2:23 Effective 2026-04-07 through 2026-05-20
Tue 07:27 Harrisburg (MDT) 08:56 Chicago O'Hare (ORD) 3 American Airlines AA 3345 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:29 Operates only on 2026-01-06
Mon-Fri 07:30 Harrisburg (MDT) 08:59 Chicago O'Hare (ORD) 3 American Airlines AA 3345 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:29 Effective 2026-01-07 through 2026-02-11
Sun 07:30 Harrisburg (MDT) 08:59 Chicago O'Hare (ORD) 3 American Airlines AA 3345 Non-stop Embraer EMB 175 (E75) 2:29 Operates only on 2026-01-11
Sun 07:30 Harrisburg (MDT) 08:59 Chicago O'Hare (ORD) 3 American Airlines AA 3345 Non-stop Embraer EMB 175 (E75) 2:29 Effective 2026-01-25 through 2026-02-08
Sun 09:30 Harrisburg (MDT) 10:59 Chicago O'Hare (ORD) 3 American Airlines AA 3345 Non-stop Embraer EMB 175 (E75) 2:29 Operates only on 2026-01-18
Daily 06:18 Harrisburg (MDT) 07:30 Chicago O'Hare (ORD) 3 American Airlines AA 3351 Non-stop Embraer EMB 175 (E75) 2:12 Effective 2026-09-09 through 2026-10-04
Sat 15:57 Harrisburg (MDT) 17:31 Chicago O'Hare (ORD) 3 American Airlines AA 3354 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:34 Operates only on 2026-01-17
Sat 17:07 Harrisburg (MDT) 18:37 Chicago O'Hare (ORD) 3 American Airlines AA 3354 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:30 Effective 2026-01-24 through 2026-02-07
Sat 17:09 Harrisburg (MDT) 18:39 Chicago O'Hare (ORD) 3 American Airlines AA 3354 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:30 Operates only on 2026-01-10
Mon-Fri,Sun 17:10 Harrisburg (MDT) 18:40 Chicago O'Hare (ORD) 3 American Airlines AA 3354 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:30 Effective 2026-01-06 through 2026-02-11
Daily 06:18 Harrisburg (MDT) 07:30 Chicago O'Hare (ORD) 3 American Airlines AA 3367 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective from 2026-10-05
Daily 07:43 Harrisburg (MDT) 09:10 Chicago O'Hare (ORD) 3 American Airlines AA 3370 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:27 Effective 2026-04-07 through 2026-05-20
Mon,Thu,Fri,Sun 06:00 Harrisburg (MDT) 07:40 Chicago O'Hare (ORD) 3 American Airlines AA 3384 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-02-13 through 2026-03-06
Thu 06:30 Harrisburg (MDT) 08:10 Chicago O'Hare (ORD) 3 American Airlines AA 3384 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:40 Operates only on 2026-02-12
Tue,Wed 07:20 Harrisburg (MDT) 09:00 Chicago O'Hare (ORD) 3 American Airlines AA 3384 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-02-17 through 2026-03-04
Daily 06:00 Harrisburg (MDT) 07:17 Chicago O'Hare (ORD) 3 American Airlines AA 3390 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:17 Effective 2026-08-05 through 2026-09-08
Daily 11:47 Harrisburg (MDT) 13:07 Chicago O'Hare (ORD) 3 American Airlines AA 3391 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:20 Valid until 2026-01-05
Mon-Fri,Sun 06:00 Harrisburg (MDT) 07:20 Chicago O'Hare (ORD) 3 American Airlines AA 3400 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-03-08 through 2026-04-06
Daily 06:09 Harrisburg (MDT) 07:30 Chicago O'Hare (ORD) 3 American Airlines AA 3437 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:21 Effective 2026-05-21 through 2026-07-01
Daily 06:18 Harrisburg (MDT) 07:30 Chicago O'Hare (ORD) 3 American Airlines AA 3437 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:12 Effective 2026-07-02 through 2026-08-04
Daily 11:25 Harrisburg (MDT) 12:40 Chicago O'Hare (ORD) 3 American Airlines AA 3473 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective 2026-09-09 through 2026-10-04
Daily 18:20 Harrisburg (MDT) 19:37 Chicago O'Hare (ORD) 3 American Airlines AA 3523 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:17 Effective 2026-08-05 through 2026-09-08
Daily 11:46 Harrisburg (MDT) 13:03 Chicago O'Hare (ORD) 3 American Airlines AA 3526 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:17 Effective 2026-08-05 through 2026-09-08
Daily 20:17 Harrisburg (MDT) 21:30 Chicago O'Hare (ORD) 3 American Airlines AA 3547 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:13 Effective from 2026-10-05
Daily 13:07 Harrisburg (MDT) 14:20 Chicago O'Hare (ORD) 3 American Airlines AA 3548 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:13 Effective from 2026-10-05
Sun 17:05 Harrisburg (MDT) 18:44 Chicago O'Hare (ORD) 3 American Airlines AA 3664 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:39 Operates only on 2026-02-15
Sat 17:10 Harrisburg (MDT) 18:49 Chicago O'Hare (ORD) 3 American Airlines AA 3664 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:39 Operates only on 2026-02-14
Tue,Wed 17:18 Harrisburg (MDT) 18:57 Chicago O'Hare (ORD) 3 American Airlines AA 3664 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:39 Effective 2026-02-17 through 2026-03-04
Mon,Thu,Fri 18:30 Harrisburg (MDT) 20:11 Chicago O'Hare (ORD) 3 American Airlines AA 3664 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:41 Effective 2026-02-12 through 2026-02-20
Mon,Thu-Sun 18:30 Harrisburg (MDT) 20:11 Chicago O'Hare (ORD) 3 American Airlines AA 3664 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:41 Effective 2026-02-21 through 2026-03-07
Daily 11:26 Harrisburg (MDT) 12:40 Chicago O'Hare (ORD) 3 American Airlines AA 3672 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:14 Effective 2026-05-21 through 2026-07-01
Daily 11:24 Harrisburg (MDT) 12:40 Chicago O'Hare (ORD) 3 American Airlines AA 3675 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:16 Effective 2026-07-02 through 2026-08-04
Mon,Thu,Fri,Sun 20:02 Harrisburg (MDT) 21:21 Chicago O'Hare (ORD) 3 American Airlines AA 3716 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:19 Valid until 2026-01-05
Daily 11:13 Harrisburg (MDT) 12:40 Chicago O'Hare (ORD) 3 American Airlines AA 3740 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:27 Effective 2026-04-07 through 2026-05-20
Daily 18:32 Harrisburg (MDT) 19:50 Chicago O'Hare (ORD) 3 American Airlines AA 3741 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:18 Effective 2026-04-07 through 2026-05-20
Mon,Wed-Fri,Sun 18:29 Harrisburg (MDT) 19:55 Chicago O'Hare (ORD) 3 American Airlines AA 3770 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:26 Effective 2026-03-08 through 2026-04-06
Tue,Sat 18:29 Harrisburg (MDT) 19:55 Chicago O'Hare (ORD) 3 American Airlines AA 3770 Non-stop Embraer EMB 175 (E75) 2:26 Effective 2026-03-10 through 2026-04-04
Daily 16:45 Harrisburg (MDT) 18:00 Chicago O'Hare (ORD) 3 American Airlines AA 4004 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective from 2026-10-05
Daily 16:32 Harrisburg (MDT) 17:50 Chicago O'Hare (ORD) 3 American Airlines AA 4064 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:18 Effective 2026-05-21 through 2026-08-04
Mon-Thu,Sat 18:00 Harrisburg (MDT) 19:29 Chicago O'Hare (ORD) 3 American Airlines AA 4409 Non-stop Embraer EMB 175 (E75) 2:29 Valid until 2026-01-05
Sun 18:10 Harrisburg (MDT) 19:39 Chicago O'Hare (ORD) 3 American Airlines AA 4409 Non-stop Embraer EMB 175 (E75) 2:29 Operates only on 2026-01-04
Fri 18:20 Harrisburg (MDT) 19:49 Chicago O'Hare (ORD) 3 American Airlines AA 4409 Non-stop Embraer EMB 175 (E75) 2:29 Operates only on 2026-01-02
Mon,Tue,Thu-Sun 05:09 Harrisburg (MDT) 06:30 Chicago O'Hare (ORD) 3 American Airlines AA 4594 Non-stop Embraer EMB 175 (E75) 2:21 Valid until 2026-01-05
Daily 18:30 Harrisburg (MDT) 19:50 Chicago O'Hare (ORD) 3 American Airlines AA 4763 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-09-09 through 2026-10-04

A domestic route departing from the Harrisburg airport (MDT) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 592 miles, or 953 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 2:12 and 2:41.

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FLIGHT SCHEDULE

Direct Flights:

American Airlines AA3243

18:35

Harrisburg (MDT)

19:50

Chicago O'Hare (ORD) 3

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:15, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3243

18:36

Harrisburg (MDT)

19:50

Chicago O'Hare (ORD) 3

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:14, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3243

19:00

Harrisburg (MDT)

20:23

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:23, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA3345

07:27

Harrisburg (MDT)

08:56

Chicago O'Hare (ORD) 3

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:29, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3345

07:30

Harrisburg (MDT)

08:59

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:29, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3345

07:30

Harrisburg (MDT)

08:59

Chicago O'Hare (ORD) 3

Operates only on 2026-01-11

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:29, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3345

07:30

Harrisburg (MDT)

08:59

Chicago O'Hare (ORD) 3

Effective 2026-01-25 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:29, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3345

09:30

Harrisburg (MDT)

10:59

Chicago O'Hare (ORD) 3

Operates only on 2026-01-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:29, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3351

06:18

Harrisburg (MDT)

07:30

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:12, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3354

15:57

Harrisburg (MDT)

17:31

Chicago O'Hare (ORD) 3

Operates only on 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:34, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3354

17:07

Harrisburg (MDT)

18:37

Chicago O'Hare (ORD) 3

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:30, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3354

17:09

Harrisburg (MDT)

18:39

Chicago O'Hare (ORD) 3

Operates only on 2026-01-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:30, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3354

17:10

Harrisburg (MDT)

18:40

Chicago O'Hare (ORD) 3

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:30, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3367

06:18

Harrisburg (MDT)

07:30

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:12, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3370

07:43

Harrisburg (MDT)

09:10

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:27, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3384

06:00

Harrisburg (MDT)

07:40

Chicago O'Hare (ORD) 3

Effective 2026-02-13 through 2026-03-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:40, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3384

06:30

Harrisburg (MDT)

08:10

Chicago O'Hare (ORD) 3

Operates only on 2026-02-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:40, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3384

07:20

Harrisburg (MDT)

09:00

Chicago O'Hare (ORD) 3

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:40, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3390

06:00

Harrisburg (MDT)

07:17

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:17, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3391

11:47

Harrisburg (MDT)

13:07

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:20, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3400

06:00

Harrisburg (MDT)

07:20

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Direct Flights:

American Airlines AA3437

06:09

Harrisburg (MDT)

07:30

Chicago O'Hare (ORD) 3

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA3437

06:18

Harrisburg (MDT)

07:30

Chicago O'Hare (ORD) 3

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:12, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3473

11:25

Harrisburg (MDT)

12:40

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA3523

18:20

Harrisburg (MDT)

19:37

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:17, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3526

11:46

Harrisburg (MDT)

13:03

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:17, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3547

20:17

Harrisburg (MDT)

21:30

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA3548

13:07

Harrisburg (MDT)

14:20

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA3664

17:05

Harrisburg (MDT)

18:44

Chicago O'Hare (ORD) 3

Operates only on 2026-02-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:39, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3664

17:10

Harrisburg (MDT)

18:49

Chicago O'Hare (ORD) 3

Operates only on 2026-02-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:39, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3664

17:18

Harrisburg (MDT)

18:57

Chicago O'Hare (ORD) 3

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:39, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3664

18:30

Harrisburg (MDT)

20:11

Chicago O'Hare (ORD) 3

Effective 2026-02-12 through 2026-02-20

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:41, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3664

18:30

Harrisburg (MDT)

20:11

Chicago O'Hare (ORD) 3

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:41, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3672

11:26

Harrisburg (MDT)

12:40

Chicago O'Hare (ORD) 3

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:14, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3675

11:24

Harrisburg (MDT)

12:40

Chicago O'Hare (ORD) 3

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA3716

20:02

Harrisburg (MDT)

21:21

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:19, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3740

11:13

Harrisburg (MDT)

12:40

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:27, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3741

18:32

Harrisburg (MDT)

19:50

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:18, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3770

18:29

Harrisburg (MDT)

19:55

Chicago O'Hare (ORD) 3

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

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:26, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3770

18:29

Harrisburg (MDT)

19:55

Chicago O'Hare (ORD) 3

Effective 2026-03-10 through 2026-04-04

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

American Airlines AA4004

16:45

Harrisburg (MDT)

18:00

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA4064

16:32

Harrisburg (MDT)

17:50

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:18, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA4409

18:00

Harrisburg (MDT)

19:29

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun
-

Duration: 2:29, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4409

18:10

Harrisburg (MDT)

19:39

Chicago O'Hare (ORD) 3

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:29, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4409

18:20

Harrisburg (MDT)

19:49

Chicago O'Hare (ORD) 3

Operates only on 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:29, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4594

05:09

Harrisburg (MDT)

06:30

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA4763

18:30

Harrisburg (MDT)

19:50

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

A domestic route departing from the Harrisburg airport (MDT) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 592 miles, or 953 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 2:12 and 2:41.

All MDT-ORD flights

All American Airlines flights

Return (ORD-MDT) flights

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