United Airlines
flight
UA 8123:
Boston Logan - Montreal-Trudeau
Boston Logan - Montreal-Trudeau
FLIGHT SCHEDULE
Direct Codeshare Flights:
United Airlines UA8123
Valid until 2026-01-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8603)
Duration: 1:25, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
United Airlines UA8123
Effective 2026-01-11 through 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8603)
Duration: 1:25, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
United Airlines UA8123
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8603)
Duration: 1:25, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
United Airlines UA8123
Effective 2026-06-18 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8603)
Duration: 1:30, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
United Airlines UA8123
Effective 2026-05-01 through 2026-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8603)
Duration: 1:25, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
United Airlines UA8123
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8603)
Duration: 1:18, non-stop Embraer EMB 175 (E75)
- UA 8123 is an international flight departing from Boston Logan airport, United States (BOS) and arriving at Montreal-Trudeau airport, Canada (YUL).
- The flight distance is 254 miles, or 408 km.
- The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 1:18 and 1:30.