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

Alaska Airlines Atlanta, GA (ATL) to Seattle, WA (SEA) reliability

A dedicated historical view of 906 Alaska Airlines marketed flights on this direction during July 2025–June 2026.

HISTORICAL ROUTE SIGNALGenerally reliable
73.3%arrived on time
14.2%30+ min late
1.1%cancelled
906scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.2%
60+ minutes late6.5%
Cancelled1.1%
Average arrival+6.9 mincompleted flights

What this airline-route sample says

Alaska Airlines completed 98.7% of its scheduled reportable ATL to SEA flights in the observation window. 73.3% of all scheduled flights arrived less than 15 minutes late, while 6.5% 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.

Compare all airlines on this route

Not a prediction.

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