Delta Air Lines Seattle, WA (SEA) to Spokane, WA (GEG) reliability

Among 343 scheduled Delta Air Lines flights from SEA to GEG, 71.4% arrived on time, 18.1% arrived at least 30 minutes late, and 1.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Delta Air Lines (DL) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable

71.4%arrived on time

18.1%30+ min late

1.5%cancelled

343scheduled flights

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

30+ minutes late18.1%

60+ minutes late9.3%

Cancelled1.5%

Average arrival+15.0 mincompleted flights

What did Delta Air Lines SEA to GEG record?

Delta Air Lines completed 98.3% of its scheduled reportable SEA to GEG flights in the observation window. 71.4% of all scheduled flights arrived less than 15 minutes late, while 9.3% arrived at least an hour late.

What were Delta Air Lines SEA to GEG disruption rates?

For Delta Air Lines SEA-to-GEG flights, 18.1% arrived at least 30 minutes late, 1.5% were cancelled, and 0.3% were diverted.

Compare all airlines on this route

What was the Delta Air Lines SEA to GEG scheduled cohort?

The Delta Air Lines SEA-to-GEG cohort contained 343 scheduled flights; 337 completed, 5 were cancelled, and 1 were diverted.

Not a prediction.

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