United Airlines flights from Boston Logan (BOS) to Chicago O'Hare (ORD).

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:45 Boston Logan (BOS) B 09:49 Chicago O'Hare (ORD) 1
United Airlines UA 270 Non-stop Boeing 737-900 (739) 3:04 Valid until 2026-01-05
Daily 15:10 Boston Logan (BOS) B 17:02 Chicago O'Hare (ORD) 1
United Airlines UA 275 Non-stop Boeing 737-800 (738) 2:52 Effective from 2026-05-21
Daily 10:44 Boston Logan (BOS) B 12:31 Chicago O'Hare (ORD) 1
United Airlines UA 503 Non-stop Boeing 737 MAX 9 (7M9) 2:47 Effective 2026-03-29 through 2026-04-29
Daily 10:44 Boston Logan (BOS) B 12:31 Chicago O'Hare (ORD) 1
United Airlines UA 503 Non-stop Boeing 737-800 (738) 2:47 Effective 2026-04-30 through 2026-05-20
Daily 10:44 Boston Logan (BOS) B 12:31 Chicago O'Hare (ORD) 1
United Airlines UA 503 Non-stop Boeing 737 MAX 9 (7M9) 2:47 Effective from 2026-05-21
Daily 11:02 Boston Logan (BOS) B 13:07 Chicago O'Hare (ORD) 1
United Airlines UA 503 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Effective 2026-03-05 through 2026-03-28
Mon-Fri,Sun 10:30 Boston Logan (BOS) B 12:34 Chicago O'Hare (ORD) 1
United Airlines UA 677 Non-stop Boeing 737-800 (738) 3:04 Effective 2026-01-06 through 2026-01-16
Mon-Fri,Sun 10:30 Boston Logan (BOS) B 12:34 Chicago O'Hare (ORD) 1
United Airlines UA 677 Non-stop Boeing 737-800 (738) 3:04 Effective 2026-01-19 through 2026-02-11
Mon,Thu,Fri,Sun 18:21 Boston Logan (BOS) B 20:25 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-800 (738) 3:04 Effective 2026-01-08 through 2026-02-09
Mon,Tue,Fri-Sun 18:23 Boston Logan (BOS) B 20:25 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-900 (739) 3:02 Valid until 2026-01-04
Mon 18:23 Boston Logan (BOS) B 20:22 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-900 (739) 2:59 Operates only on 2026-01-05
Thu 18:23 Boston Logan (BOS) B 20:25 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737 MAX 8 (7M8) 3:02 Operates only on 2026-03-05
Mon,Thu,Fri 18:23 Boston Logan (BOS) B 20:25 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-900 (739) 3:02 Effective 2026-03-06 through 2026-03-27
Sun 18:23 Boston Logan (BOS) B 20:22 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-900 (739) 2:59 Effective 2026-03-08 through 2026-03-22
Mon,Thu,Fri 18:28 Boston Logan (BOS) B 20:30 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-800 (738) 3:02 Effective 2026-02-12 through 2026-03-02
Thu 18:29 Boston Logan (BOS) B 20:35 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Airbus A321neo (32Q) 3:06 Operates only on 2026-01-01
Sun 18:32 Boston Logan (BOS) B 20:30 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-800 (738) 2:58 Effective 2026-02-15 through 2026-03-01
Daily 18:33 Boston Logan (BOS) B 20:25 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-800 (738) 2:52 Effective 2026-03-29 through 2026-04-29
Daily 18:33 Boston Logan (BOS) B 20:25 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Airbus A321neo (32Q) 2:52 Effective 2026-04-30 through 2026-05-20
Daily 18:33 Boston Logan (BOS) B 20:25 Chicago O'Hare (ORD) 1
United Airlines UA 1015 Non-stop Boeing 737-800 (738) 2:52 Effective from 2026-05-21
Daily 15:10 Boston Logan (BOS) B 17:02 Chicago O'Hare (ORD) 1
United Airlines UA 1177 Non-stop Boeing 737-900 (739) 2:52 Effective 2026-04-30 through 2026-05-20
Daily 08:45 Boston Logan (BOS) B 10:50 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Boeing 737-800 (738) 3:05 Effective 2026-03-05 through 2026-03-28
Mon-Wed,Fri-Sun 09:30 Boston Logan (BOS) B 11:34 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Boeing 737-800 (738) 3:04 Valid until 2026-01-05
Daily 09:30 Boston Logan (BOS) B 11:34 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Boeing 737 MAX 9 (7M9) 3:04 Effective 2026-01-06 through 2026-02-11
Daily 09:30 Boston Logan (BOS) B 11:30 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Airbus A321neo (32Q) 3:00 Effective 2026-03-29 through 2026-04-29
Daily 09:30 Boston Logan (BOS) B 11:25 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Airbus A321neo (32Q) 2:55 Effective 2026-04-30 through 2026-05-20
Daily 09:30 Boston Logan (BOS) B 11:25 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Boeing 737 MAX 9 (7M9) 2:55 Effective from 2026-05-21
Tue 09:40 Boston Logan (BOS) B 11:46 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Airbus A321neo (32Q) 3:06 Effective 2026-02-17 through 2026-03-03
Wed 09:40 Boston Logan (BOS) B 11:46 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Airbus A321neo (32Q) 3:06 Effective 2026-02-25 through 2026-03-04
Mon,Thu-Sun 09:45 Boston Logan (BOS) B 11:51 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Airbus A321neo (32Q) 3:06 Effective 2026-02-12 through 2026-03-02
Wed 09:45 Boston Logan (BOS) B 11:50 Chicago O'Hare (ORD) 1
United Airlines UA 1349 Non-stop Boeing 737-900 (739) 3:05 Operates only on 2026-02-18
Tue 06:00 Boston Logan (BOS) B 08:04 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 737-900 (739) 3:04 Operates only on 2026-01-06
Daily 06:00 Boston Logan (BOS) B 08:04 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 757-200 (752) 3:04 Effective 2026-01-07 through 2026-02-03
Daily 06:00 Boston Logan (BOS) B 08:04 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 757-200 (752) 3:04 Effective 2026-02-05 through 2026-02-11
Daily 06:00 Boston Logan (BOS) B 08:00 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 757-200 (752) 3:00 Effective 2026-02-12 through 2026-03-04
Wed,Thu 06:00 Boston Logan (BOS) B 08:00 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 737-900 (739) 3:00 Effective 2026-03-05 through 2026-03-26
Mon,Tue,Fri,Sat 06:00 Boston Logan (BOS) B 08:00 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-03-06 through 2026-03-28
Sun 06:00 Boston Logan (BOS) B 08:00 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Airbus A319 (319) 3:00 Effective 2026-03-08 through 2026-03-22
Daily 06:00 Boston Logan (BOS) B 07:59 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 737 MAX 8 (7M8) 2:59 Effective 2026-03-29 through 2026-04-29
Daily 06:00 Boston Logan (BOS) B 07:50 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-30 through 2026-05-20
Daily 06:00 Boston Logan (BOS) B 07:50 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 737-900 (739) 2:50 Effective from 2026-05-21
Daily 06:01 Boston Logan (BOS) B 08:05 Chicago O'Hare (ORD) 1
United Airlines UA 1414 Non-stop Boeing 737-900 (739) 3:04 Valid until 2026-01-05
Thu,Fri 12:10 Boston Logan (BOS) B 14:15 Chicago O'Hare (ORD) 1
United Airlines UA 1732 Non-stop Boeing 737 MAX 9 (7M9) 3:05 Effective 2026-03-05 through 2026-03-27
Tue 12:10 Boston Logan (BOS) B 14:16 Chicago O'Hare (ORD) 1
United Airlines UA 1732 Non-stop Airbus A321neo (32Q) 3:06 Effective 2026-03-10 through 2026-03-24
Wed 12:10 Boston Logan (BOS) B 14:15 Chicago O'Hare (ORD) 1
United Airlines UA 1732 Non-stop Boeing 737-900 (739) 3:05 Effective 2026-03-11 through 2026-03-25
Thu 12:20 Boston Logan (BOS) B 14:23 Chicago O'Hare (ORD) 1
United Airlines UA 1732 Non-stop Boeing 737-800 (738) 3:03 Valid until 2026-01-01
Mon,Wed 12:20 Boston Logan (BOS) B 14:23 Chicago O'Hare (ORD) 1
United Airlines UA 1732 Non-stop Airbus A321neo (32Q) 3:03 Valid until 2026-01-05
Fri-Sun 12:20 Boston Logan (BOS) B 14:23 Chicago O'Hare (ORD) 1
United Airlines UA 1732 Non-stop Boeing 737 MAX 9 (7M9) 3:03 Effective 2026-01-02 through 2026-01-04
Sun 12:20 Boston Logan (BOS) B 14:25 Chicago O'Hare (ORD) 1
United Airlines UA 1732 Non-stop Boeing 737-800 (738) 3:05 Operates only on 2026-03-08
Sun 12:20 Boston Logan (BOS) B 14:25 Chicago O'Hare (ORD) 1
United Airlines UA 1732 Non-stop Boeing 737-700 (73G) 3:05 Effective 2026-03-15 through 2026-03-22
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United Airlines flights from Boston Logan (BOS) to Chicago O'Hare (ORD).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:47, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:47, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:47, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-01-06 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:04, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:04, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:04, non-stop
Boeing 737-800 (738)

Direct Flights:

Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 3:02, non-stop
Boeing 737-900 (739)

Direct Flights:

Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:59, non-stop
Boeing 737-900 (739)

Direct Flights:

Operates only on 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:02, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-03-06 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:02, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:59, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:02, non-stop
Boeing 737-800 (738)

Direct Flights:

Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:06, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:58, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737-800 (738)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-02-17 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:06, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-25 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:06, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Airbus A321neo (32Q)

Direct Flights:

Operates only on 2026-02-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-900 (739)

Direct Flights:

Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:04, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-01-07 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 757-200 (752)

Direct Flights:

Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 757-200 (752)

Direct Flights:

Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 757-200 (752)

Direct Flights:

Effective 2026-03-05 through 2026-03-26
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-06 through 2026-03-28
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Airbus A319 (319)

Direct Flights:

Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 737-900 (739)

Direct Flights:

Effective 2026-03-05 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:06, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-03-11 through 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-900 (739)

Direct Flights:

Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:03, non-stop
Boeing 737-800 (738)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:03, non-stop
Airbus A321neo (32Q)

Direct Flights:

Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 3:03, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-03-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-800 (738)

Direct Flights:

Effective 2026-03-15 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-700 (73G)
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  • A domestic route departing from the Boston Logan airport (BOS) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 864 miles, or 1390 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 2:44 and 3:06.