Portland (PDX) to Spokane (GEG): On-Time Performance
Data through May 2026
Portland (PDX) to Spokane (GEG) effectively runs on two schedules. In January 2025, 94% of arrivals were on time; in May 2025 that fell to 74% — a 20-point seasonal swing. Across the full period the route averages 85% on-time against a national 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 8 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 2.5
- last 12 months
- Duration
- 1h 10m
- scheduled
- Distance
- 279 mi
Best airline from PDX to GEG
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 86% | 8 min | 0.3% | 712 |
| Alaska Airlines | 83% | 8 min | 1.4% | 561 |
Monthly on-time trend
Best time to fly from PDX to GEG
Aim for departures around 2 p.m. (87% on-time); avoid 10 a.m. departures (82%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 86% | 8 min |
| Tuesday | 84% | 7 min |
| Wednesdaybest | 88% | 6 min |
| Thursday | 85% | 7 min |
| Friday | 80% | 12 min |
| Saturday | 86% | 6 min |
| Sunday | 84% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations39%
- National airspace system15%
- Weather5%
- Security2%
Frequently asked questions
- How often are flights from PDX to GEG delayed?
- 15% of PDX–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 8 minutes.
- Which airline is most reliable from PDX to GEG?
- SkyWest Airlines has the best on-time record on this route at 86%, based on 712 flights. 2 airlines flew PDX–GEG frequently enough to compare in this period.
- What is the best time of day to fly from PDX to GEG?
- Departures around 2 p.m. have the best record (87% on-time), while departures around 10 a.m. have the worst (82%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PDX to GEG?
- The scheduled PDX–GEG flight time averages 1h 10m over 279 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are PDX to GEG flights cancelled?
- 0.8% 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 PDX to GEG?
- May 2025 was the roughest month in this dataset, with only 74% of arrivals on time. The best was January 2025 at 94%. If your dates are flexible, that 20-point gap is worth planning around.
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Based on 1,273 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.