United Airlines flight UA 399: Chicago O'Hare - Boston Logan

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FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 10:35 Chicago O'Hare (ORD) 1 14:03 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-800 (738) 2:28 Valid until 2025-05-21
Sat 10:35 Chicago O'Hare (ORD) 1 14:03 Boston Logan (BOS) B
UA 399 Non-stop Airbus A320 (320) 2:28 Effective 2025-05-03 through 2025-05-17
Daily 10:39 Chicago O'Hare (ORD) 1 14:06 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-900 (739) 2:27 Effective 2025-08-19 through 2025-09-24
Daily 10:39 Chicago O'Hare (ORD) 1 14:06 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-900 (739) 2:27 Effective from 2025-10-26
Thu 11:05 Chicago O'Hare (ORD) 1 14:42 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-800 (738) 2:37 Operates only on 2025-06-26
Daily 11:05 Chicago O'Hare (ORD) 1 14:42 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737 MAX 8 (7M8) 2:37 Effective 2025-06-27 through 2025-07-03
Fri 11:05 Chicago O'Hare (ORD) 1 14:42 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-900 (739) 2:37 Operates only on 2025-07-04
Sat 11:05 Chicago O'Hare (ORD) 1 14:42 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-700 (73G) 2:37 Operates only on 2025-07-05
Daily 11:05 Chicago O'Hare (ORD) 1 14:42 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737 MAX 8 (7M8) 2:37 Effective 2025-07-06 through 2025-08-18
Daily 11:05 Chicago O'Hare (ORD) 1 14:40 Boston Logan (BOS) B
UA 399 Non-stop Airbus A321neo (32Q) 2:35 Effective 2025-09-25 through 2025-10-25
Mon-Sat 11:46 Chicago O'Hare (ORD) 1 15:23 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-05-22 through 2025-05-31
Sun 11:46 Chicago O'Hare (ORD) 1 15:23 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737 MAX 8 (7M8) 2:37 Operates only on 2025-05-25
Mon,Tue,Sat 11:46 Chicago O'Hare (ORD) 1 15:23 Boston Logan (BOS) B
UA 399 Non-stop Airbus A321neo (32Q) 2:37 Effective 2025-06-02 through 2025-06-07
Mon,Wed-Fri 11:46 Chicago O'Hare (ORD) 1 15:23 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-06-04 through 2025-06-09
Tue,Sat 11:46 Chicago O'Hare (ORD) 1 15:23 Boston Logan (BOS) B
UA 399 Non-stop Airbus A321neo (32Q) 2:37 Effective 2025-06-10 through 2025-06-17
Mon,Thu,Fri 11:46 Chicago O'Hare (ORD) 1 15:23 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-900 (739) 2:37 Effective 2025-06-12 through 2025-06-23
Tue,Wed,Sat 11:46 Chicago O'Hare (ORD) 1 15:23 Boston Logan (BOS) B
UA 399 Non-stop Airbus A321neo (32Q) 2:37 Effective 2025-06-18 through 2025-06-25
Sun 11:48 Chicago O'Hare (ORD) 1 15:25 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-800 (738) 2:37 Operates only on 2025-06-01
Sun 11:48 Chicago O'Hare (ORD) 1 15:25 Boston Logan (BOS) B
UA 399 Non-stop Airbus A321neo (32Q) 2:37 Effective 2025-06-08 through 2025-06-22
Wed 11:56 Chicago O'Hare (ORD) 1 15:33 Boston Logan (BOS) B
UA 399 Non-stop Boeing 737-800 (738) 2:37 Operates only on 2025-06-11
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United Airlines flight UA 399:
Chicago O'Hare - Boston Logan
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA399
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:28, non-stop
Boeing 737-800 (738)

United Airlines UA399
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:28, non-stop
Airbus A320 (320)

United Airlines UA399
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:27, non-stop
Boeing 737-900 (739)

United Airlines UA399
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:27, non-stop
Boeing 737-900 (739)

United Airlines UA399
Operates only on 2025-06-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:37, non-stop
Boeing 737-800 (738)

United Airlines UA399
Effective 2025-06-27 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:37, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA399
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:37, non-stop
Boeing 737-900 (739)

United Airlines UA399
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Boeing 737-700 (73G)

United Airlines UA399
Effective 2025-07-06 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:37, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA399
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Airbus A321neo (32Q)

United Airlines UA399
Effective 2025-05-22 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:37, non-stop
Boeing 737-900 (739)

United Airlines UA399
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:37, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA399
Effective 2025-06-02 through 2025-06-07
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Airbus A321neo (32Q)

United Airlines UA399
Effective 2025-06-04 through 2025-06-09
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:37, non-stop
Boeing 737-900 (739)

United Airlines UA399
Effective 2025-06-10 through 2025-06-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Airbus A321neo (32Q)

United Airlines UA399
Effective 2025-06-12 through 2025-06-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:37, non-stop
Boeing 737-900 (739)

United Airlines UA399
Effective 2025-06-18 through 2025-06-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:37, non-stop
Airbus A321neo (32Q)

United Airlines UA399
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:37, non-stop
Boeing 737-800 (738)

United Airlines UA399
Effective 2025-06-08 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:37, non-stop
Airbus A321neo (32Q)

United Airlines UA399
Operates only on 2025-06-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:37, non-stop
Boeing 737-800 (738)
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  • UA 399 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Boston Logan airport (BOS).
  • The flight distance is 864 miles, or 1390 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 2:27 and 2:37.