TS 421 Toronto to Montreal Flight Status

Air Transat Flight TS421 from Toronto Pearson International Airport YYZ to Montreal Pierre Elliott Trudeau Airport YUL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 21st, 2025.
Check the table below for TS421's most recent flight history:

TS 421 Flight Status & Schedule

Date Departure Arrival Status
Oct 21 16:38 17:32
Landed
Track >
Oct 14 15:59 16:50
Landed
Track >
Oct 07 16:27 17:23
Landed
Track >
Sep 30 16:10 16:58
Landed
Track >
Sep 23 16:19 17:08
Landed
Track >

Air Transat TS 421 Toronto to Montreal Flight Information

Air Transat Flight TS421 connects Toronto, Canada to Montreal, Canada, taking off from Toronto Pearson International Airport YYZ and landing at Montreal Pierre Elliott Trudeau Airport YUL.

How long is the TS421 flight from Toronto to Montreal?

The average flight time from Toronto to Montreal is 51 minutes. The flight distance is 507 km / 315 miles and the average flight speed is 595 km/h / 370 mph.

What is the On-Time Performance (OTP) of Air Transat Flight TS421 Toronto to Montreal?

The Airportia On-Time Performance Rating for Air Transat Flight TS421 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest TS421 flight?

The latest flight took off on Tuesday, October 21st, 2025 with the flight status being Landed on 17:32.

How else can the flight TS421 be referenced as?

This Air Transat flight can also be referenced as TSC421, TS0421, TS 421, TSC 421.

How often is flight TS421 delayed?

On average, 20% of all TS421 flights are delayed. The average delay is 7 minutes.

Can I get compensation for my delayed or cancelled TS421 flight or baggage issues?

If your TS421 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 TS421 Flight Tracker above for more details.

TS421 and Toronto YYZ to Montreal YUL Flights

Flight TS421 is code-shared by 1 airline using the flight number PD7421

Other flights departing from Toronto YYZ: WS1224, WS2732, AS973, RV1925

Other flights arriving at Montreal YUL: RV1653, UA2176, AC8877, AC2543

All flights connecting Toronto YYZ to Montreal YUL.

TS421 Air Transat Flight: Toronto to Montreal Route Map

TS421 Air Transat Flight Map: Toronto to Montreal
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.