FlightRecord

Spokane (GEG) to San Francisco (SFO): On-Time Performance

Data through May 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 79% on-time against a national 78%.

On-time
79%
arrived <15 min late
Avg delay
16 min
completed flights
Cancelled
0.3%
Flights/day
2.3
last 12 months
Duration
2h 29m
scheduled
Distance
733 mi

Monthly on-time trend

Monthly on-time percentage for GEG to SFO flights50%75%100%June 2024: 33% on-time (12 flights)33Jun 2024July 2024: 84% on-time (31 flights)84August 2024: 91% on-time (44 flights)91September 2024: 91% on-time (58 flights)91Sep 2024October 2024: 81% on-time (62 flights)81November 2024: 79% on-time (59 flights)79December 2024: 70% on-time (60 flights)70Dec 2024January 2025: 95% on-time (58 flights)95February 2025: 77% on-time (54 flights)77March 2025: 81% on-time (75 flights)81Mar 2025April 2025: 85% on-time (81 flights)85May 2025: 79% on-time (62 flights)79June 2025: 90% on-time (78 flights)90Jun 2025July 2025: 71% on-time (87 flights)71August 2025: 85% on-time (86 flights)85September 2025: 84% on-time (82 flights)84Sep 2025October 2025: 71% on-time (89 flights)71November 2025: 79% on-time (79 flights)79December 2025: 86% on-time (62 flights)86Dec 2025January 2026: 77% on-time (44 flights)77February 2026: 69% on-time (52 flights)69March 2026: 81% on-time (58 flights)81Mar 2026April 2026: 51% on-time (61 flights)51May 2026: 70% on-time (75 flights)70

Best time to fly from GEG to SFO

Aim for departures around 3 p.m. (88% on-time); avoid 1 p.m. departures (43%).

On-time percentage by scheduled departure hour, GEG to SFO6 a.m.: 82% on-time (297 flights)67 a.m.: 70% on-time (322 flights)712 p.m.: 82% on-time (262 flights)121 p.m.: 43% on-time (40 flights)132 p.m.: 79% on-time (70 flights)143 p.m.: 88% on-time (296 flights)154 p.m.: 80% on-time (140 flights)166 p.m.: 76% on-time (42 flights)187 p.m.: 78% on-time (37 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday77%17 min
Tuesdaybest86%12 min
Wednesday80%20 min
Thursday73%16 min
Friday77%17 min
Saturday84%11 min
Sunday77%16 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 operations27%
  • National airspace system42%
  • Weather10%

Frequently asked questions

How often are flights from GEG to SFO delayed?
21% of GEG–SFO 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 16 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 1 p.m. have the worst (43%). 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 29m over 733 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
How often are GEG to SFO flights cancelled?
0.3% 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 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.

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Based on 1,509 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.