Alaska Airlines Seattle, WA (SEA) to Kansas City, MO (MCI) reliability

Among 745 scheduled Alaska Airlines flights from SEA to MCI, 78.5% arrived on time, 11.8% arrived at least 30 minutes late, and 0.5% 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

78.5%arrived on time

11.8%30+ min late

0.5%cancelled

745scheduled flights

Based on July 2025–June 2026; on time means arrival less than 15 minutes late.

30+ minutes late11.8%

60+ minutes late5.1%

Cancelled0.5%

Average arrival+2.1 mincompleted flights

What did Alaska Airlines SEA to MCI record?

Alaska Airlines completed 99.1% of its scheduled reportable SEA to MCI flights in the observation window. 78.5% of all scheduled flights arrived less than 15 minutes late, while 5.1% arrived at least an hour late.

What were Alaska Airlines SEA to MCI disruption rates?

For Alaska Airlines SEA-to-MCI flights, 11.8% arrived at least 30 minutes late, 0.5% were cancelled, and 0.4% were diverted.

Compare all airlines on this route

What was the Alaska Airlines SEA to MCI scheduled cohort?

The Alaska Airlines SEA-to-MCI cohort contained 745 scheduled flights; 738 completed, 4 were cancelled, and 3 were diverted.

Not a prediction.

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