Home / Routes / KSEA → CYYZ1,027 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Lester B. Pearson International Airport (CYYZ) in Toronto. SkyMeter tracks roughly 1,027 scheduled flights on this route across 8 carriers. The most active operator is ACA (ACA). Average block time is 3h 55m. Departures average 28 minutes off schedule, with 52% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS-BOMBARDIER Airbus A220-300.

Scheduled
1,027
last 542 days
ADS-B observed
132
Airlines
8
Avg dep delay
28m
Late >15 min
52.4%
Cancel rate
1.85%

Recent observed flights

From ADS-B trace data

2026-10-25 17:56  →  2026-10-25 22:23  ·  4h 27m
Replay
2026-10-25 15:23  →  2026-10-25 19:50  ·  4h 26m
Replay
2026-10-24 15:02  →  2026-10-24 19:18  ·  4h 15m
Replay
2026-10-24 14:39  →  2026-10-24 19:05  ·  4h 25m
Replay
2026-10-23 14:56  →  2026-10-23 19:14  ·  4h 17m
Replay
2026-10-23 14:54  →  2026-10-23 19:15  ·  4h 20m
Replay
2026-10-23 10:29  →  2026-10-23 14:51  ·  4h 21m
Replay
2026-10-22 15:00  →  2026-10-22 19:23  ·  4h 22m
Replay
2026-10-22 14:31  →  2026-10-22 19:04  ·  4h 33m
Replay
2026-10-21 10:23  →  2026-10-21 14:35  ·  4h 11m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells ACA 357
sells ASA 355
sells ASA 300
sells ASA 296
sells ACA 112

Looking for the return flight?

View CYYZ → KSEA