All airlines flying from Washington Dulles (IAD) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Flights:
Sat 13:20 Washington Dulles (IAD) 14:38 Chicago O'Hare (ORD) 1 United Airlines UA 2331 Non-stop Boeing 737-800 (738) 2:18 Effective 2026-02-14 through 2026-02-28
Sat 17:10 Washington Dulles (IAD) 18:34 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-800 (738) 2:24 Operates only on 2026-03-07
Daily 17:15 Washington Dulles (IAD) 18:33 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-800 (738) 2:18 Effective from 2026-05-21
Mon-Fri,Sun 17:17 Washington Dulles (IAD) 18:37 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-900 (739) 2:20 Effective 2026-01-06 through 2026-02-11
Sat 17:17 Washington Dulles (IAD) 18:37 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-700 (73G) 2:20 Effective 2026-01-10 through 2026-01-17
Sat 17:17 Washington Dulles (IAD) 18:37 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-800 (738) 2:20 Operates only on 2026-01-24
Sat 17:17 Washington Dulles (IAD) 18:37 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-700 (73G) 2:20 Effective 2026-01-31 through 2026-02-07
Mon,Tue,Thu,Fri 17:17 Washington Dulles (IAD) 18:41 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-900 (739) 2:24 Effective 2026-02-12 through 2026-03-03
Wed,Sat 17:17 Washington Dulles (IAD) 18:41 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-800 (738) 2:24 Effective 2026-02-14 through 2026-03-04
Sun 17:17 Washington Dulles (IAD) 18:42 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Airbus A321neo (32Q) 2:25 Effective 2026-02-15 through 2026-03-01
Daily 17:20 Washington Dulles (IAD) 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 757-200 (752) 2:18 Effective 2026-03-29 through 2026-05-20
Sun 17:23 Washington Dulles (IAD) 18:47 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-800 (738) 2:24 Effective 2026-03-08 through 2026-03-22
Mon,Wed-Fri 17:26 Washington Dulles (IAD) 18:51 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Airbus A321neo (32Q) 2:25 Effective 2026-03-05 through 2026-03-11
Tue,Sat 17:26 Washington Dulles (IAD) 18:50 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-900 (739) 2:24 Effective 2026-03-10 through 2026-03-28
Thu 17:26 Washington Dulles (IAD) 18:51 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Airbus A320 (320) 2:25 Operates only on 2026-03-12
Mon,Wed-Fri 17:26 Washington Dulles (IAD) 18:51 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Airbus A321neo (32Q) 2:25 Effective 2026-03-13 through 2026-03-27
Mon-Fri 17:31 Washington Dulles (IAD) 18:52 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-900 (739) 2:21 Valid until 2026-01-02
Sat 17:31 Washington Dulles (IAD) 18:53 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Airbus A320 (320) 2:22 Operates only on 2026-01-03
Sun 17:31 Washington Dulles (IAD) 18:52 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-800 (738) 2:21 Operates only on 2026-01-04
Mon 17:31 Washington Dulles (IAD) 18:51 Chicago O'Hare (ORD) 1 United Airlines UA 2497 Non-stop Boeing 737-900 (739) 2:20 Operates only on 2026-01-05
Daily 15:30 Washington Dulles (IAD) 16:37 Chicago O'Hare (ORD) 1 United Airlines UA 2649 Non-stop Boeing 737-800 (738) 2:07 Effective 2026-04-30 through 2026-10-24
Non-Direct Flights:
Tue-Thu 12:35 Washington Dulles (IAD) 16:54 Chicago O'Hare (ORD) 1 United Airlines UA 366 1-stop Airbus A319 (319) 5:19 Effective 2026-02-12 through 2026-03-04
Sat 08:20 Washington Dulles (IAD) 11:28 Chicago O'Hare (ORD) 1 United Airlines UA 1448 1-stop Airbus A320 (320) 4:08 Operates only on 2026-02-14
Sun 08:20 Washington Dulles (IAD) 11:28 Chicago O'Hare (ORD) 1 United Airlines UA 1448 1-stop Boeing 737-800 (738) 4:08 Effective 2026-02-15 through 2026-03-01
Mon,Tue,Thu-Sun 12:35 Washington Dulles (IAD) 18:40 Chicago O'Hare (ORD) 1 United Airlines UA 1564 1-stop Boeing 737-700 (73G) 7:05 Effective 2026-03-05 through 2026-03-28
Wed 12:35 Washington Dulles (IAD) 18:47 Chicago O'Hare (ORD) 1 United Airlines UA 1564 1-stop Airbus A320 (320) 7:12 Effective 2026-03-11 through 2026-03-25
Daily 12:35 Washington Dulles (IAD) 18:36 Chicago O'Hare (ORD) 1 United Airlines UA 1564 1-stop Boeing 737-700 (73G) 7:01 Effective 2026-03-29 through 2026-04-29
Daily 12:35 Washington Dulles (IAD) 18:50 Chicago O'Hare (ORD) 1 United Airlines UA 1564 1-stop Airbus A319 (319) 7:15 Effective 2026-04-30 through 2026-05-20
Daily 12:35 Washington Dulles (IAD) 18:51 Chicago O'Hare (ORD) 1 United Airlines UA 1564 1-stop Airbus A319 (319) 7:16 Effective 2026-05-21 through 2026-08-17
Daily 12:35 Washington Dulles (IAD) 18:45 Chicago O'Hare (ORD) 1 United Airlines UA 1564 1-stop Airbus A319 (319) 7:10 Effective from 2026-08-18
Mon-Thu,Sun 12:44 Washington Dulles (IAD) 18:50 Chicago O'Hare (ORD) 1 United Airlines UA 1564 1-stop Boeing 737-700 (73G) 7:06 Effective 2026-02-12 through 2026-03-04
Fri 12:44 Washington Dulles (IAD) 18:51 Chicago O'Hare (ORD) 1 United Airlines UA 1564 1-stop Airbus A319 (319) 7:07 Effective 2026-02-13 through 2026-02-27
Daily 08:15 Washington Dulles (IAD) 11:48 Chicago O'Hare (ORD) 1 United Airlines UA 1935 1-stop Boeing 737-700 (73G) 4:33 Effective from 2026-05-21
Daily 08:40 Washington Dulles (IAD) 20:20 Chicago O'Hare (ORD) 1 United Airlines UA 2101 1-stop Boeing 737-900 (739) 12:40 Effective 2026-05-21 through 2026-08-17
Daily 09:00 Washington Dulles (IAD) 20:25 Chicago O'Hare (ORD) 1 United Airlines UA 2101 1-stop Boeing 737 MAX 8 (7M8) 12:25 Effective 2026-04-30 through 2026-05-20
Sat,Sun 08:15 Washington Dulles (IAD) 16:34 Chicago O'Hare (ORD) 1 United Airlines UA 2202 1-stop Boeing 737 MAX 8 (7M8) 9:19 Effective 2026-05-23 through 2026-09-20
Sat 09:00 Washington Dulles (IAD) 16:47 Chicago O'Hare (ORD) 1 United Airlines UA 2202 1-stop Boeing 737 MAX 8 (7M8) 8:47 Effective 2026-03-07 through 2026-03-28
Daily 12:40 Washington Dulles (IAD) 18:10 Chicago O'Hare (ORD) 1 United Airlines UA 2206 1-stop Boeing 737 MAX 9 (7M9) 6:30 Effective 2026-03-29 through 2026-04-29
Daily 12:40 Washington Dulles (IAD) 18:22 Chicago O'Hare (ORD) 1 United Airlines UA 2206 1-stop Boeing 737-900 (739) 6:42 Effective 2026-04-30 through 2026-05-20
Thu 08:32 Washington Dulles (IAD) 11:54 Chicago O'Hare (ORD) 2 United Airlines UA 3527 1-stop Embraer EMB 170 / EMB 175 (E70) 4:22 Operates only on 2026-01-01
Daily 08:30 Washington Dulles (IAD) 12:00 Chicago O'Hare (ORD) 2 United Airlines UA 3572 1-stop Embraer EMB 175 (E7W) 4:30 Effective 2026-03-05 through 2026-03-28
Daily 08:37 Washington Dulles (IAD) 11:53 Chicago O'Hare (ORD) 2 United Airlines UA 3572 1-stop Embraer EMB 175 (E7W) 4:16 Effective 2026-04-30 through 2026-05-20
Daily 08:40 Washington Dulles (IAD) 11:57 Chicago O'Hare (ORD) 2 United Airlines UA 3572 1-stop Embraer EMB 175 (E7W) 4:17 Effective 2026-03-29 through 2026-04-29
Daily 06:00 Washington Dulles (IAD) 20:02 Chicago O'Hare (ORD) 1 United Airlines UA 1990 2-stop Boeing 737-900 (739) 15:02 Effective 2026-05-21 through 2026-10-24
Daily 06:30 Washington Dulles (IAD) 20:02 Chicago O'Hare (ORD) 1 United Airlines UA 1990 2-stop Boeing 737-900 (739) 14:32 Effective from 2026-10-25
Direct Codeshare Flights:
Mon-Wed,Fri,Sun 13:00 Washington Dulles (IAD) 14:20 Chicago O'Hare (ORD) 1 Ethiopian Airlines ET 1350 Non-stop Boeing 737-800 (738) 2:20 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 2331)
Sat 13:00 Washington Dulles (IAD) 14:21 Chicago O'Hare (ORD) 1 Ethiopian Airlines ET 1350 Non-stop Airbus A319 (319) 2:21 Valid until 2026-01-03 Codeshare flight, operated by United Airlines.(UA 2331)
Thu 13:00 Washington Dulles (IAD) 14:20 Chicago O'Hare (ORD) 1 Ethiopian Airlines ET 1350 Non-stop Boeing 737-900 (739) 2:20 Operates only on 2026-01-01 Codeshare flight, operated by United Airlines.(UA 2331)
Wed,Thu,Sun 13:02 Washington Dulles (IAD) 14:20 Chicago O'Hare (ORD) 1 Ethiopian Airlines ET 1350 Non-stop Boeing 737 MAX 9 (7M9) 2:18 Effective 2026-02-12 through 2026-02-19 Codeshare flight, operated by United Airlines.(UA 2331)
Fri 13:02 Washington Dulles (IAD) 14:20 Chicago O'Hare (ORD) 1 Ethiopian Airlines ET 1350 Non-stop Boeing 737-900 (739) 2:18 Operates only on 2026-02-13 Codeshare flight, operated by United Airlines.(UA 2331)

1 2 3 4 5 ... 7 8 9

A domestic route departing from the Washington Dulles airport (IAD) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 587 miles, or 945 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 2:03 and 2:25.

Return (ORD-IAD) flights

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All airlines flying from Washington Dulles (IAD) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA2331

13:20

Washington Dulles (IAD)

14:38

Chicago O'Hare (ORD) 1

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:18, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2497

17:10

Washington Dulles (IAD)

18:34

Chicago O'Hare (ORD) 1

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:24, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2497

17:15

Washington Dulles (IAD)

18:33

Chicago O'Hare (ORD) 1

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:18, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2497

17:17

Washington Dulles (IAD)

18:37

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2497

17:17

Washington Dulles (IAD)

18:37

Chicago O'Hare (ORD) 1

Effective 2026-01-10 through 2026-01-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA2497

17:17

Washington Dulles (IAD)

18:37

Chicago O'Hare (ORD) 1

Operates only on 2026-01-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2497

17:17

Washington Dulles (IAD)

18:37

Chicago O'Hare (ORD) 1

Effective 2026-01-31 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-700 (73G)

Direct Flights:

United Airlines UA2497

17:17

Washington Dulles (IAD)

18:41

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:24, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2497

17:17

Washington Dulles (IAD)

18:41

Chicago O'Hare (ORD) 1

Effective 2026-02-14 through 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:24, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2497

17:17

Washington Dulles (IAD)

18:42

Chicago O'Hare (ORD) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2497

17:20

Washington Dulles (IAD)

18:38

Chicago O'Hare (ORD) 1

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:18, non-stop
Boeing 757-200 (752)

Direct Flights:

United Airlines UA2497

17:23

Washington Dulles (IAD)

18:47

Chicago O'Hare (ORD) 1

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:24, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2497

17:26

Washington Dulles (IAD)

18:51

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-11

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2497

17:26

Washington Dulles (IAD)

18:50

Chicago O'Hare (ORD) 1

Effective 2026-03-10 through 2026-03-28

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:24, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2497

17:26

Washington Dulles (IAD)

18:51

Chicago O'Hare (ORD) 1

Operates only on 2026-03-12

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA2497

17:26

Washington Dulles (IAD)

18:51

Chicago O'Hare (ORD) 1

Effective 2026-03-13 through 2026-03-27

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2497

17:31

Washington Dulles (IAD)

18:52

Chicago O'Hare (ORD) 1

Valid until 2026-01-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:21, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2497

17:31

Washington Dulles (IAD)

18:53

Chicago O'Hare (ORD) 1

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:22, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA2497

17:31

Washington Dulles (IAD)

18:52

Chicago O'Hare (ORD) 1

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:21, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2497

17:31

Washington Dulles (IAD)

18:51

Chicago O'Hare (ORD) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2649

15:30

Washington Dulles (IAD)

16:37

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:07, non-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA366

12:35

Washington Dulles (IAD)

16:54

Chicago O'Hare (ORD) 1

Effective 2026-02-12 through 2026-03-04

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 5:19, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1448

08:20

Washington Dulles (IAD)

11:28

Chicago O'Hare (ORD) 1

Operates only on 2026-02-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:08, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1448

08:20

Washington Dulles (IAD)

11:28

Chicago O'Hare (ORD) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:08, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1564

12:35

Washington Dulles (IAD)

18:40

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 7:05, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA1564

12:35

Washington Dulles (IAD)

18:47

Chicago O'Hare (ORD) 1

Effective 2026-03-11 through 2026-03-25

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 7:12, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1564

12:35

Washington Dulles (IAD)

18:36

Chicago O'Hare (ORD) 1

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:01, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA1564

12:35

Washington Dulles (IAD)

18:50

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:15, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1564

12:35

Washington Dulles (IAD)

18:51

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:16, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1564

12:35

Washington Dulles (IAD)

18:45

Chicago O'Hare (ORD) 1

Effective from 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:10, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1564

12:44

Washington Dulles (IAD)

18:50

Chicago O'Hare (ORD) 1

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 7:06, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA1564

12:44

Washington Dulles (IAD)

18:51

Chicago O'Hare (ORD) 1

Effective 2026-02-13 through 2026-02-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 7:07, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1935

08:15

Washington Dulles (IAD)

11:48

Chicago O'Hare (ORD) 1

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:33, 1-stop
Boeing 737-700 (73G)

Non-Direct Flights:

United Airlines UA2101

08:40

Washington Dulles (IAD)

20:20

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 12:40, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA2101

09:00

Washington Dulles (IAD)

20:25

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 12:25, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA2202

08:15

Washington Dulles (IAD)

16:34

Chicago O'Hare (ORD) 1

Effective 2026-05-23 through 2026-09-20

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 9:19, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA2202

09:00

Washington Dulles (IAD)

16:47

Chicago O'Hare (ORD) 1

Effective 2026-03-07 through 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:47, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA2206

12:40

Washington Dulles (IAD)

18:10

Chicago O'Hare (ORD) 1

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:30, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA2206

12:40

Washington Dulles (IAD)

18:22

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:42, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA3527

08:32

Washington Dulles (IAD)

11:54

Chicago O'Hare (ORD) 2

Operates only on 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:22, 1-stop
Embraer EMB 170 / EMB 175 (E70)

Non-Direct Flights:

United Airlines UA3572

08:30

Washington Dulles (IAD)

12:00

Chicago O'Hare (ORD) 2

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:30, 1-stop
Embraer EMB 175 (E7W)

Non-Direct Flights:

United Airlines UA3572

08:37

Washington Dulles (IAD)

11:53

Chicago O'Hare (ORD) 2

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:16, 1-stop
Embraer EMB 175 (E7W)

Non-Direct Flights:

United Airlines UA3572

08:40

Washington Dulles (IAD)

11:57

Chicago O'Hare (ORD) 2

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:17, 1-stop
Embraer EMB 175 (E7W)

Non-Direct Flights:

United Airlines UA1990

06:00

Washington Dulles (IAD)

20:02

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 15:02, 2-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA1990

06:30

Washington Dulles (IAD)

20:02

Chicago O'Hare (ORD) 1

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 14:32, 2-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Ethiopian Airlines ET1350

13:00

Washington Dulles (IAD)

14:20

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2331)

Duration: 2:20, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Ethiopian Airlines ET1350

13:00

Washington Dulles (IAD)

14:21

Chicago O'Hare (ORD) 1

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 2331)

Duration: 2:21, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Ethiopian Airlines ET1350

13:00

Washington Dulles (IAD)

14:20

Chicago O'Hare (ORD) 1

Operates only on 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2331)

Duration: 2:20, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Ethiopian Airlines ET1350

13:02

Washington Dulles (IAD)

14:20

Chicago O'Hare (ORD) 1

Effective 2026-02-12 through 2026-02-19

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 2331)

Duration: 2:18, non-stop
Boeing 737 MAX 9 (7M9)

Direct Codeshare Flights:

Ethiopian Airlines ET1350

13:02

Washington Dulles (IAD)

14:20

Chicago O'Hare (ORD) 1

Operates only on 2026-02-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 2331)

Duration: 2:18, non-stop
Boeing 737-900 (739)

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A domestic route departing from the Washington Dulles airport (IAD) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 587 miles, or 945 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 2:03 and 2:25.

Return (ORD-IAD) flights

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