Home / Routes / KSEA → CYYZ820 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Lester B. Pearson International Airport (CYYZ) in Toronto. SkyMeter tracks roughly 820 scheduled flights on this route across 7 carriers. The most active operator is ACA (ACA). Average block time is 4h 29m. Departures average 30 minutes off schedule, with 63% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS-BOMBARDIER Airbus A220-300.

Scheduled
820
last 479 days
ADS-B observed
152
Airlines
7
Avg dep delay
30m
Late >15 min
63.3%
Cancel rate
1.83%

Recent observed flights

From ADS-B trace data

2026-08-25 15:08  →  2026-08-25 19:33  ·  4h 24m
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2026-08-23 15:21  →  2026-08-23 19:58  ·  4h 37m
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2026-08-23 15:18  →  2026-08-23 19:33  ·  4h 14m
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2026-08-22 15:03  →  2026-08-22 19:19  ·  4h 16m
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2026-08-21 14:52  →  2026-08-21 19:08  ·  4h 15m
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2026-08-20 15:00  →  2026-08-20 19:21  ·  4h 21m
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2026-08-20 14:22  →  2026-08-20 19:04  ·  4h 41m
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2026-08-18 14:58  →  2026-08-18 19:22  ·  4h 24m
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2026-08-18 14:53  →  2026-08-18 19:08  ·  4h 15m
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2026-08-17 15:22  →  2026-08-17 19:23  ·  4h 0m
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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