BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
SFO→SEA

Alaska Airlines San Francisco, CA (SFO) to Seattle, WA (SEA) reliability

Among 2,719 scheduled Alaska Airlines flights from SFO to SEA, 67.9% arrived on time, 18.3% arrived at least 30 minutes late, and 1.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Alaska Airlines (AS) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
67.9%arrived on time
18.3%30+ min late
1.6%cancelled
2,719scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late18.3%
60+ minutes late7.4%
Cancelled1.6%
Average arrival+11.2 mincompleted flights

What did Alaska Airlines SFO to SEA record?

Alaska Airlines completed 98.3% of its scheduled reportable SFO to SEA flights in the observation window. 67.9% of all scheduled flights arrived less than 15 minutes late, while 7.4% arrived at least an hour late.

What were Alaska Airlines SFO to SEA disruption rates?

For Alaska Airlines SFO-to-SEA flights, 18.3% arrived at least 30 minutes late, 1.6% were cancelled, and 0.1% were diverted.

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What was the Alaska Airlines SFO to SEA scheduled cohort?

The Alaska Airlines SFO-to-SEA cohort contained 2,719 scheduled flights; 2,672 completed, 44 were cancelled, and 3 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.