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

Alaska Airlines Santa Rosa, CA (STS) to Seattle, WA (SEA) reliability

Among 356 scheduled Alaska Airlines flights from STS to SEA, 73.3% arrived on time, 15.7% arrived at least 30 minutes late, and 1.4% 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
73.3%arrived on time
15.7%30+ min late
1.4%cancelled
356scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late15.7%
60+ minutes late5.6%
Cancelled1.4%
Average arrival+5.4 mincompleted flights

What did Alaska Airlines STS to SEA record?

Alaska Airlines completed 98.6% of its scheduled reportable STS to SEA flights in the observation window. 73.3% of all scheduled flights arrived less than 15 minutes late, while 5.6% arrived at least an hour late.

What were Alaska Airlines STS to SEA disruption rates?

For Alaska Airlines STS-to-SEA flights, 15.7% arrived at least 30 minutes late, 1.4% were cancelled, and 0.0% were diverted.

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What was the Alaska Airlines STS to SEA scheduled cohort?

The Alaska Airlines STS-to-SEA cohort contained 356 scheduled flights; 351 completed, 5 were cancelled, and 0 were diverted.

Not a prediction.

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