| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 02 | YUL | YYZ | 19:35 | 20:31 |
Delayed
|
Track > |
| Sep 01 | YUL | YYZ | 17:24 | 18:15 |
Landed
|
Track > |
| Aug 31 | YUL | YYZ | 17:45 | 18:36 |
Landed
|
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| Aug 29 | YUL | YYZ | 18:32 | 19:26 |
Landed Late
|
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| Aug 28 | YUL | YYZ | 18:19 | 19:12 |
Landed
|
Track > |
| Aug 27 | YUL | YYZ | 18:31 | 19:32 |
Landed Late
|
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| Aug 26 | YUL | YYZ | 17:47 | 18:42 |
Landed
|
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| Aug 25 | YUL | YYZ | 18:16 | 19:10 |
Landed Late
|
Track > |
| Aug 24 | YUL | YYZ | 17:53 | 18:46 |
Landed
|
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| Aug 23 | YUL | YYZ | 21:14 | 19:01 |
En-Route
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Air Canada Flight AC421 connects Montreal, Canada to Toronto, Canada, taking off from Montreal Pierre Elliott Trudeau Airport YUL and landing at Toronto Pearson International Airport YYZ.
How long is the AC421 flight from Montreal to Toronto?
The average flight time from Montreal to Toronto is 54 minutes. The flight distance is 507 km / 315 miles and the average flight speed is 540 km/h / 335 mph.
How many AC421 flights are operated per week?
5 flights per week. The flight AC421 is operated on Monday, Tuesday, Wednesday, Friday and Saturday.
What is the On-Time Performance (OTP) of Air Canada Flight AC421 Montreal to Toronto?
The Airportia On-Time Performance Rating for Air Canada Flight AC421 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight AC421 arriving at?
Flight AC421 arrives at Toronto Pearson International Airport (YYZ) Terminal 1.
When was the latest AC421 flight?
The latest flight took off on Wednesday, September 2nd, 2026 with the flight status being En-Route on 20:31.
How else can the flight AC421 be referenced as?
This Air Canada flight can also be referenced as ACA421, AC0421, AC 421, ACA 421.
How often is flight AC421 delayed?
On average, 50% of all AC421 flights are delayed. The average delay is 34 minutes.
Can I get compensation for my delayed or cancelled AC421 flight or baggage issues?
If your AC421 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our AC421 Flight Tracker above for more details.
Flight AC421 is code-shared by 3 airlines using the flight numbers AD7807, G36801, OS8391
Other flights departing from Montreal YUL: WS567, MQ3602, AC311, YN945
Other flights arriving at Toronto YYZ: RV1720, WS434, UA3557, YX3453
All flights connecting Montreal YUL to Toronto YYZ.
