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

Alaska Airlines Columbus, OH (CMH) to Seattle, WA (SEA) reliability

Among 460 scheduled Alaska Airlines flights from CMH to SEA, 70.0% arrived on time, 15.4% 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
70.0%arrived on time
15.4%30+ min late
1.3%cancelled
460scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late15.4%
60+ minutes late6.5%
Cancelled1.3%
Average arrival+10.5 mincompleted flights

What did Alaska Airlines CMH to SEA record?

Alaska Airlines completed 98.7% of its scheduled reportable CMH to SEA flights in the observation window. 70.0% of all scheduled flights arrived less than 15 minutes late, while 6.5% arrived at least an hour late.

What were Alaska Airlines CMH to SEA disruption rates?

For Alaska Airlines CMH-to-SEA flights, 15.4% arrived at least 30 minutes late, 1.3% were cancelled, and 0.0% were diverted.

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What was the Alaska Airlines CMH to SEA scheduled cohort?

The Alaska Airlines CMH-to-SEA cohort contained 460 scheduled flights; 454 completed, 6 were cancelled, and 0 were diverted.

Not a prediction.

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