Seattle (SEA) to Spokane (GEG): On-Time Performance
Data through May 2026
Seattle (SEA) to Spokane (GEG) effectively runs on two schedules. In October 2025, 89% of arrivals were on time; in July 2025 that fell to 70% — a 19-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 15
- last 12 months
- Duration
- 1h 11m
- scheduled
- Distance
- 224 mi
Best airline from SEA to GEG
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 86% | 8 min | 0.6% | 6,334 |
| Delta Air Lines | 72% | 28 min | 1.5% | 721 |
| Alaska Airlines | 71% | 13 min | 0.5% | 3,431 |
Monthly on-time trend
Best time to fly from SEA to GEG
Aim for departures around 7 a.m. (94% on-time); avoid 4 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 12 min |
| Tuesdaybest | 84% | 9 min |
| Wednesday | 84% | 10 min |
| Thursday | 77% | 13 min |
| Friday | 77% | 13 min |
| Saturday | 82% | 11 min |
| Sunday | 77% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft28%
- Airline operations47%
- National airspace system13%
- Weather13%
Frequently asked questions
- How often are flights from SEA to GEG delayed?
- 20% of SEA–GEG flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from SEA to GEG?
- SkyWest Airlines has the best on-time record on this route at 86%, based on 6,334 flights. 3 airlines flew SEA–GEG frequently enough to compare in this period.
- What is the best time of day to fly from SEA to GEG?
- Departures around 7 a.m. have the best record (94% on-time), while departures around 4 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SEA to GEG?
- The scheduled SEA–GEG flight time averages 1h 11m over 224 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are SEA to GEG flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from SEA to GEG?
- July 2025 was the roughest month in this dataset, with only 70% of arrivals on time. The best was October 2025 at 89%. If your dates are flexible, that 19-point gap is worth planning around.
Explore related pages
More routes from SEA
Based on 10,486 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.