All airlines flying from Ontario, Los Angeles (ONT) to Boston Logan (BOS).

Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
Thu,Fri 18:37 Ontario, Los Angeles (ONT) 2 07:58 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Airbus A320 (320) 10:21 Effective 2026-03-05 through 2026-03-06
The flight arrives 1 day after departure.
Sat 18:37 Ontario, Los Angeles (ONT) 2 08:58 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Airbus A320 (320) 10:21 Operates only on 2026-03-07
The flight arrives 1 day after departure.
Tue-Sun 18:37 Ontario, Los Angeles (ONT) 2 08:13 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Airbus A320 (320) 10:36 Effective 2026-03-08 through 2026-03-15
The flight arrives 1 day after departure.
Mon 18:37 Ontario, Los Angeles (ONT) 2 08:13 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Boeing 737-800 (738) 10:36 Operates only on 2026-03-09
The flight arrives 1 day after departure.
Daily 18:37 Ontario, Los Angeles (ONT) 2 08:13 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Airbus A320 (320) 10:36 Effective 2026-03-16 through 2026-03-27
The flight arrives 1 day after departure.
Sat 18:37 Ontario, Los Angeles (ONT) 2 08:13 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Boeing 737-800 (738) 10:36 Operates only on 2026-03-28
The flight arrives 1 day after departure.
Daily 18:53 Ontario, Los Angeles (ONT) 2 08:23 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Boeing 737 MAX 8 (7M8) 10:30 Effective 2026-03-29 through 2026-04-29
The flight arrives 1 day after departure.
Daily 18:53 Ontario, Los Angeles (ONT) 2 08:18 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Boeing 737 MAX 8 (7M8) 10:25 Effective 2026-05-21 through 2026-08-10
The flight arrives 1 day after departure.
Daily 18:53 Ontario, Los Angeles (ONT) 2 08:09 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Boeing 737 MAX 8 (7M8) 10:16 Effective 2026-08-11 through 2026-09-23
The flight arrives 1 day after departure.
Daily 18:53 Ontario, Los Angeles (ONT) 2 08:23 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Boeing 737 MAX 8 (7M8) 10:30 Effective from 2026-09-24
The flight arrives 1 day after departure.
Daily 18:54 Ontario, Los Angeles (ONT) 2 08:23 Boston Logan (BOS) B
United Airlines UA 1665 1-stop Boeing 737-900 (739) 10:29 Effective 2026-04-30 through 2026-05-20
The flight arrives 1 day after departure.




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All airlines flying from Ontario, Los Angeles (ONT) to Boston Logan (BOS).
Select flight date:
FLIGHT SCHEDULE
Non-Direct Flights:
United Airlines UA1665
18:37
Ontario, Los Angeles (ONT) 2

07:58(+1)
Boston Logan (BOS) B
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 10:21, 1-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:37
Ontario, Los Angeles (ONT) 2

08:58(+1)
Boston Logan (BOS) B
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 10:21, 1-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:37
Ontario, Los Angeles (ONT) 2

08:13(+1)
Boston Logan (BOS) B
Effective 2026-03-08 through 2026-03-15
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:36, 1-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:37
Ontario, Los Angeles (ONT) 2

08:13(+1)
Boston Logan (BOS) B
Operates only on 2026-03-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 10:36, 1-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:37
Ontario, Los Angeles (ONT) 2

08:13(+1)
Boston Logan (BOS) B
Effective 2026-03-16 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:36, 1-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:37
Ontario, Los Angeles (ONT) 2

08:13(+1)
Boston Logan (BOS) B
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 10:36, 1-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:53
Ontario, Los Angeles (ONT) 2

08:23(+1)
Boston Logan (BOS) B
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:30, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:53
Ontario, Los Angeles (ONT) 2

08:18(+1)
Boston Logan (BOS) B
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:25, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:53
Ontario, Los Angeles (ONT) 2

08:09(+1)
Boston Logan (BOS) B
Effective 2026-08-11 through 2026-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:16, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:53
Ontario, Los Angeles (ONT) 2

08:23(+1)
Boston Logan (BOS) B
Effective from 2026-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:30, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1665
18:54
Ontario, Los Angeles (ONT) 2

08:23(+1)
Boston Logan (BOS) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:29, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
  • A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Boston Logan airport (BOS).
  • The flight distance is 2559 miles, or 4118 km.
  • The timezone of the departure airport is UTC-8 , 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.
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