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

Alaska Airlines Seattle, WA (SEA) to Detroit, MI (DTW) reliability

Among 540 scheduled Alaska Airlines flights from SEA to DTW, 82.0% arrived on time, 8.7% arrived at least 30 minutes late, and 0.2% 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 SIGNALLower disruption
82.0%arrived on time
8.7%30+ min late
0.2%cancelled
540scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late8.7%
60+ minutes late3.7%
Cancelled0.2%
Average arrival-0.6 mincompleted flights

What did Alaska Airlines SEA to DTW record?

Alaska Airlines completed 98.7% of its scheduled reportable SEA to DTW flights in the observation window. 82.0% of all scheduled flights arrived less than 15 minutes late, while 3.7% arrived at least an hour late.

What were Alaska Airlines SEA to DTW disruption rates?

For Alaska Airlines SEA-to-DTW flights, 8.7% arrived at least 30 minutes late, 0.2% were cancelled, and 1.1% were diverted.

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What was the Alaska Airlines SEA to DTW scheduled cohort?

The Alaska Airlines SEA-to-DTW cohort contained 540 scheduled flights; 533 completed, 1 were cancelled, and 6 were diverted.

Not a prediction.

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