Route
PDX → GEG
Portland International Airport Spokane International Airport
279 miles
Return route GEG → PDX →
How punctual is this route?
- On-time arrivals
- 84.7%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,069
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 13%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.2% | 88 |
| October 2025 | 81.6% | 88 |
| November 2025 | 89.2% | 94 |
| December 2025 | 81.1% | 113 |
| January 2026 | 79.8% | 91 |
| February 2026 | 92.3% | 80 |
| March 2026 | 84.4% | 65 |
| April 2026 | 93.2% | 44 |
| May 2026 | 85.5% | 69 |
| June 2026 | 89.2% | 102 |
| July 2026 | 86.3% | 124 |
| August 2026 | 75.7% | 111 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 605 | 85.1% | 1.3% | 46 min |
| SkyWest Airlines | 464 | 84.2% | 0.2% | 53 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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