Route
GEG → SFO
Spokane International Airport San Francisco International Airport
733 miles
Return route SFO → GEG →
Alerts at GEG and SFO
How punctual is this route?
- On-time arrivals
- 72.2%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 890
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 49%
- Airline (crew, maintenance, cleaning) 22%
- Late-arriving aircraft 21%
- Extreme weather 8%
- 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 | 84.1% | 82 |
| October 2025 | 70.8% | 89 |
| November 2025 | 78.5% | 79 |
| December 2025 | 85.5% | 62 |
| January 2026 | 77.3% | 44 |
| February 2026 | 69.2% | 52 |
| March 2026 | 81.0% | 58 |
| April 2026 | 50.8% | 61 |
| May 2026 | 71.2% | 75 |
| June 2026 | 60.8% | 98 |
| July 2026 | 68.5% | 110 |
| August 2026 | 73.8% | 80 |
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 |
|---|---|---|---|---|
| SkyWest Airlines | 839 | 72.3% | 0.4% | 83 min |
| United Airlines | 51 | 70.6% | 0.0% | 47 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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