ACA421

Air Canada · YUL YYZ

ACA421 is operated by Air Canada between Montreal / Pierre Elliott Trudeau International Airport (CYUL) and Lester B. Pearson International Airport (CYYZ). The flight is most often flown by a AIRBUS-BOMBARDIER Airbus A220-300. Typical block time is 0h 51m. SkyMeter has observed 87 legs of this flight number via ADS-B.

FLIGHTS
87
last 90 days
AVG DURATION
51m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/29/2026
first → last seen
🗺
ROUTES / TYPES
3 / 8
city pairs · airframes
INCIDENT RATE
3.4%
3 flagged

Routes flown

By count · last 90 days

1
57
avg 1h 5m · Montreal / Pierre Elliott Trudeau → Lester B. Pearson

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of ACA421

30
06/29/2026
1h 0m
No alerts
06/18/2026
1h 1m
No alerts
06/14/2026
1h 6m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window