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

Alaska Airlines San Jose, CA (SJC) to Seattle, WA (SEA) reliability

Among 1,874 scheduled Alaska Airlines flights from SJC to SEA, 80.6% arrived on time, 10.2% arrived at least 30 minutes late, and 1.7% 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 SIGNALGenerally reliable
80.6%arrived on time
10.2%30+ min late
1.7%cancelled
1,874scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late10.2%
60+ minutes late3.8%
Cancelled1.7%
Average arrival-0.0 mincompleted flights

What did Alaska Airlines SJC to SEA record?

Alaska Airlines completed 98.3% of its scheduled reportable SJC to SEA flights in the observation window. 80.6% of all scheduled flights arrived less than 15 minutes late, while 3.8% arrived at least an hour late.

What were Alaska Airlines SJC to SEA disruption rates?

For Alaska Airlines SJC-to-SEA flights, 10.2% arrived at least 30 minutes late, 1.7% were cancelled, and 0.0% were diverted.

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What was the Alaska Airlines SJC to SEA scheduled cohort?

The Alaska Airlines SJC-to-SEA cohort contained 1,874 scheduled flights; 1,843 completed, 31 were cancelled, and 0 were diverted.

Not a prediction.

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