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

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

A dedicated historical view of 1,124 Alaska Airlines marketed flights on this direction during July 2025–June 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 this airline-route sample says

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.

Use the parent route report to compare this result with other marketing carriers and with time-of-day, weekday and monthly slices.

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Not a prediction.

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