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

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

Among 1,124 scheduled Alaska Airlines flights from SEA to PDX, 75.3% arrived on time, 12.2% arrived at least 30 minutes late, and 1.3% 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
75.3%arrived on time
12.2%30+ min late
1.3%cancelled
1,124scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late12.2%
60+ minutes late4.0%
Cancelled1.3%
Average arrival+5.1 mincompleted flights

What did Alaska Airlines SEA to PDX record?

Alaska Airlines completed 98.7% of its scheduled reportable SEA to PDX flights in the observation window. 75.3% of all scheduled flights arrived less than 15 minutes late, while 4.0% arrived at least an hour late.

What were Alaska Airlines SEA to PDX disruption rates?

For Alaska Airlines SEA-to-PDX flights, 12.2% arrived at least 30 minutes late, 1.3% were cancelled, and 0.0% were diverted.

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What was the Alaska Airlines SEA to PDX scheduled cohort?

The Alaska Airlines SEA-to-PDX cohort contained 1,124 scheduled flights; 1,109 completed, 15 were cancelled, and 0 were diverted.

Not a prediction.

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