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

Alaska Airlines Portland, OR (PDX) to Seattle, WA (SEA) reliability

Among 1,125 scheduled Alaska Airlines flights from PDX to SEA, 81.7% arrived on time, 7.9% arrived at least 30 minutes late, and 1.2% 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 SIGNALLower disruption
81.7%arrived on time
7.9%30+ min late
1.2%cancelled
1,125scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late7.9%
60+ minutes late2.9%
Cancelled1.2%
Average arrival+3.0 mincompleted flights

What did Alaska Airlines PDX to SEA record?

Alaska Airlines completed 98.8% of its scheduled reportable PDX to SEA flights in the observation window. 81.7% of all scheduled flights arrived less than 15 minutes late, while 2.9% arrived at least an hour late.

What were Alaska Airlines PDX to SEA disruption rates?

For Alaska Airlines PDX-to-SEA flights, 7.9% arrived at least 30 minutes late, 1.2% were cancelled, and 0.0% were diverted.

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What was the Alaska Airlines PDX to SEA scheduled cohort?

The Alaska Airlines PDX-to-SEA cohort contained 1,125 scheduled flights; 1,112 completed, 13 were cancelled, and 0 were diverted.

Not a prediction.

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