Spokane (GEG) to San Francisco (SFO): On-Time Performance
Data through July 2026
The calendar drives reliability on GEG–SFO. January 2025 flights landed on schedule 95% of the time, but April 2026 dropped to 51% — a gap of 44 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (76% vs 54%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 2.5
- last 12 months
- Duration
- 2h 28m
- scheduled
- Distance
- 733 mi
Monthly on-time trend
Best time to fly from GEG to SFO
Aim for departures around 3 p.m. (88% on-time); avoid 7 p.m. departures (41%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 22 min |
| Tuesdaybest | 87% | 11 min |
| Wednesday | 80% | 19 min |
| Thursday | 70% | 19 min |
| Friday | 75% | 19 min |
| Saturday | 84% | 11 min |
| Sunday | 76% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft21%
- Airline operations25%
- National airspace system46%
- Weather8%
Frequently asked questions
- How often are flights from GEG to SFO delayed?
- 23% of GEG–SFO flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- What is the best time of day to fly from GEG to SFO?
- Departures around 3 p.m. have the best record (88% on-time), while departures around 7 p.m. have the worst (41%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from GEG to SFO?
- The scheduled GEG–SFO flight time averages 2h 28m over 733 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are GEG to SFO flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from GEG to SFO?
- April 2026 was the roughest month in this dataset, with only 51% of arrivals on time. The best was January 2025 at 95%. If your dates are flexible, that 44-point gap is worth planning around.
Explore related pages
More routes from GEG
Other ways to fly to San Francisco (SFO)
Related guides
Based on 1,705 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.