Air Canada AC421 Flight status
According to Trip.com real-time data, the AC421 flight operated by Air Canada on Oct 18, 2026 is scheduled to fly from Montreal (YUL) to Toronto (YYZ). The flight is expected to depart at 17:30 and arrive at 18:28 .
Sat, Oct 17
Sun, Oct 18
Mon, Oct 19
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Arrived
The flight has arrived 16m early
1h 23m
Check-in Counter
7-22
Boarding Gate
A47
Arrival Gate
D38
Baggage
2
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Scheduled
Your flight will depart on time.
1h 23m
Check-in Counter
7-22
Boarding Gate
A47
Arrival Gate
D31
Baggage
2
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Air Canada From TWD 4,609
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Scheduled
Your flight will depart on time.
1h 23m
Check-in Counter
7-22
Boarding Gate
A48
Arrival Gate
D34
Baggage
--
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Air Canada From TWD 4,609
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AC421 Aircraft Details
According to Trip.com real-time data, the AC421 flight from Montreal to Toronto on 10/18/2026 is operated using the aircraft model Airbus A220-300. This aircraft has been in service for 6y, 4m. The aircraft has 137 seats.
Airbus A220-300
Punctuality (Departure)
70
%
Punctuality (Arrival)
90
%
Late on average
6 minutes
Age
6y, 4m
Seats
137
Flight Distance
--
Economy
Business
In-Flight Services
Snacks
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seat Information
76 cm
More legroom than on 12% of flights
48 cm
Seat width better than on 83% of flights
100°
Reclining Angle
2-3
Seat layout example
In-Flight Services
Snacks
Seatback entertainment system
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
Legroom
53 cm
Seat width better than on 3% of flights
120°
Reclining Angle
2-2
Seat layout example
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Flight History for AC421
Trip.com historical records show that the last AC421 flight departed on Sat, Oct 17 from YUL at approximately 17:43. This flight is expected to arrrive in YYZ at 18:37.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Oct 13 | Montreal (YUL) | Toronto (YYZ) | B38M | 19:57 | 20:50 | Arrived |
| Wed, Oct 14 | Montreal (YUL) | Toronto (YYZ) | 321 | 17:40 | 18:35 | Arrived |
| Thu, Oct 15 | Montreal (YUL) | Toronto (YYZ) | BCS3 | 18:04 | 19:03 | Arrived |
| Fri, Oct 16 | Montreal (YUL) | Toronto (YYZ) | BCS3 | 17:46 | 18:57 | Arrived |
| Sat, Oct 17 | Montreal (YUL) | Toronto (YYZ) | BCS3 | 17:43 | 18:37 | Arrived |
| Sun, Oct 18 | Montreal (YUL) | Toronto (YYZ) | BCS3 | 17:30 | 18:28 | Scheduled |
| Mon, Oct 19 | Montreal (YUL) | Toronto (YYZ) | BCS3 | 17:30 | 18:53 | Scheduled |
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AC421 On-Time Performance
Based on the average performance of this flight over the last 30 trips, the on-time departure rate of AC421 is 70% (Late on average 33 minutes), and the on-time arrival rate is 90% (Late on average 6 minutes).
On-Time Departures
Punctuality
70
%
Late on average
33 minutes
Early
0
%
On time
70
%
30 mins late
20
%
60 mins late
0
%
90 mins late
10
%
Cancelled
2
%
On-Time Arrivals
Punctuality
90
%
Late on average
6 minutes
Early
60
%
On time
30
%
30 mins late
0
%
60 mins late
3
%
90 mins late
7
%
Cancelled
2
%
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Flight FAQs
What is the current status of flight ac421?
Flight ac421 has not departed yet and is currently on schedule. Scheduled departure 17:30, arrival 18:53 (updated Oct 18, 2026).Is flight ac421 on time today?
Flight ac421 has not departed yet and is currently on schedule. Scheduled departure is 17:30, with arrival at 18:53. Recheck gate and timing before you head to the airport.Has flight ac421 departed yet? What is the departure time?
Flight ac421 is scheduled to depart at 17:30. The latest actual or estimated departure time is 17:30, and the current status is Scheduled (updated Oct 18, 2026).When is flight ac421 scheduled to arrive?
Flight ac421 is scheduled to arrive at 18:53. The latest estimated or actual arrival time is 18:28. Status is Scheduled as of Oct 18, 2026.What is the baggage carousel number for flight ac421?
After arrival, baggage for flight ac421 is expected at carousel 2 in terminal T1. Carousel numbers are assigned close to landing and may change—follow airport signs on arrival.What route does flight ac421 fly?
Flight ac421 is operated by Air Canada from Montreal (YUL) to Toronto (YYZ). Typical flight time is about 1 hour 23 minutes; operating days may include Sunday.How can I check real-time status for flight ac421?
Track flight ac421 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ac421 is delayed or canceled, what should I do?
If ac421 is delayed or canceled, first confirm the latest status here (Scheduled, updated Oct 18, 2026). Contact Air Canada or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ac421 departed from Montreal?
Flight ac421 has not departed from Montreal (YUL) yet and is currently on schedule for 17:30.What is the seat configuration for flight ac421?
Flight ac421 usually flies a Airbus A220-300 with seat layout 2-3. Layouts can differ by aircraft subtype and cabin product—confirm your seat map in Manage Booking after you purchase.
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Arrival Info: Toronto Weather & Current Time
Clear
|
5°C - 10°C
Weather forecast for your arrival day
0 hour time difference
Time on arrival: Montreal 18:28
|
Toronto 18:28
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