United Airlines
flight
UA 8439:
New York LaGuardia - Montreal-Trudeau
New York LaGuardia - Montreal-Trudeau
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FLIGHT SCHEDULE
Direct Codeshare Flights:
United Airlines UA8439
Effective 2025-06-01 through 2025-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 735)
Duration: 1:32, non-stop Airbus A220-300 (223)
United Airlines UA8439
Operates only on 2025-06-11
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:31, non-stop Canadair CRJ 900 (CR9)
United Airlines UA8439
Effective 2025-06-12 through 2025-06-17
Mon
Tue
Wed
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-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 735)
Duration: 1:32, non-stop Airbus A220-300 (223)
United Airlines UA8439
Effective 2025-06-18 through 2025-06-25
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:32, non-stop Canadair CRJ 900 (CR9)
United Airlines UA8439
Effective 2025-06-19 through 2025-08-31
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 735)
Duration: 1:29, non-stop Airbus A220-300 (223)
United Airlines UA8439
Effective 2025-07-02 through 2025-08-27
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:37, non-stop Canadair CRJ 900 (CR9)
United Airlines UA8439
Valid until 2025-05-09
Mon
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Tue
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Wed
Thu
Fri
Sat
Sun
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Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:30, non-stop Embraer EMB 175 (E75)
United Airlines UA8439
Effective 2025-05-04 through 2025-05-13
Mon
Tue
Wed
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Thu
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Fri
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-
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:30, non-stop Canadair CRJ 900 (CR9)
United Airlines UA8439
Effective 2025-05-14 through 2025-05-21
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:30, non-stop Canadair CRJ 900 (CR9)
United Airlines UA8439
Effective 2025-05-15 through 2025-05-23
Mon
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Tue
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Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:30, non-stop Embraer EMB 175 (E75)
United Airlines UA8439
Effective 2025-05-24 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:30, non-stop Embraer EMB 175 (E75)
United Airlines UA8439
Operates only on 2025-09-01
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Air Canada.
(AC 735)
Duration: 1:29, non-stop Airbus A220-300 (223)
United Airlines UA8439
Effective 2025-09-02 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:34, non-stop Embraer EMB 175 (E75)
United Airlines UA8439
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada.
(AC 8645)
Duration: 1:32, non-stop Embraer EMB 175 (E75)
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Parallax here LGA-YUL
- UA 8439 is an international flight departing from New York LaGuardia airport, United States (LGA) and arriving at Montreal-Trudeau airport, Canada (YUL).
- The flight distance is 324 miles, or 521 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 1:29 and 1:37.