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

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

Among 1,877 scheduled Alaska Airlines flights from SEA to SJC, 79.3% arrived on time, 10.5% arrived at least 30 minutes late, and 1.5% 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
79.3%arrived on time
10.5%30+ min late
1.5%cancelled
1,877scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late10.5%
60+ minutes late4.2%
Cancelled1.5%
Average arrival+1.5 mincompleted flights

What did Alaska Airlines SEA to SJC record?

Alaska Airlines completed 98.4% of its scheduled reportable SEA to SJC flights in the observation window. 79.3% of all scheduled flights arrived less than 15 minutes late, while 4.2% arrived at least an hour late.

What were Alaska Airlines SEA to SJC disruption rates?

For Alaska Airlines SEA-to-SJC flights, 10.5% arrived at least 30 minutes late, 1.5% were cancelled, and 0.1% were diverted.

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What was the Alaska Airlines SEA to SJC scheduled cohort?

The Alaska Airlines SEA-to-SJC cohort contained 1,877 scheduled flights; 1,847 completed, 29 were cancelled, and 1 were diverted.

Not a prediction.

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