FlightRecord

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

Data through May 2026

The calendar drives reliability on SFO–GEG. April 2025 flights landed on schedule 90% of the time, but July 2025 dropped to 68% — a gap of 22 points. Across the full period the route averages 81% on-time against a national 78%.

On-time
81%
arrived <15 min late
Avg delay
14 min
completed flights
Cancelled
0.5%
Flights/day
2.3
last 12 months
Duration
2h 15m
scheduled
Distance
733 mi

Monthly on-time trend

Monthly on-time percentage for SFO to GEG flights50%75%100%June 2024: 58% on-time (12 flights)58Jun 2024July 2024: 84% on-time (31 flights)84August 2024: 89% on-time (45 flights)89September 2024: 85% on-time (58 flights)85Sep 2024October 2024: 81% on-time (62 flights)81November 2024: 82% on-time (59 flights)82December 2024: 82% on-time (60 flights)82Dec 2024January 2025: 83% on-time (58 flights)83February 2025: 83% on-time (54 flights)83March 2025: 85% on-time (74 flights)85Mar 2025April 2025: 90% on-time (81 flights)90May 2025: 84% on-time (62 flights)84June 2025: 80% on-time (78 flights)80Jun 2025July 2025: 68% on-time (87 flights)68August 2025: 84% on-time (85 flights)84September 2025: 81% on-time (83 flights)81Sep 2025October 2025: 73% on-time (89 flights)73November 2025: 78% on-time (78 flights)78December 2025: 82% on-time (62 flights)82Dec 2025January 2026: 88% on-time (44 flights)88February 2026: 75% on-time (52 flights)75March 2026: 88% on-time (58 flights)88Mar 2026April 2026: 73% on-time (61 flights)73May 2026: 78% on-time (70 flights)78

Best time to fly from SFO to GEG

Aim for departures around 8 a.m. (90% on-time); avoid 10 a.m. departures (31%).

On-time percentage by scheduled departure hour, SFO to GEG8 a.m.: 90% on-time (165 flights)89 a.m.: 83% on-time (98 flights)910 a.m.: 31% on-time (35 flights)1011 a.m.: 75% on-time (72 flights)1112 p.m.: 87% on-time (282 flights)121 p.m.: 79% on-time (94 flights)132 p.m.: 76% on-time (74 flights)143 p.m.: 77% on-time (35 flights)154 p.m.: 87% on-time (93 flights)166 p.m.: 85% on-time (66 flights)187 p.m.: 82% on-time (81 flights)198 p.m.: 78% on-time (164 flights)209 p.m.: 76% on-time (244 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday82%18 min
Tuesday85%11 min
Wednesday81%14 min
Thursday80%12 min
Friday73%18 min
Saturdaybest86%8 min
Sunday80%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 aircraft35%
  • Airline operations28%
  • National airspace system27%
  • Weather10%

Frequently asked questions

How often are flights from SFO to GEG delayed?
19% of SFO–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 14 minutes.
What is the best time of day to fly from SFO to GEG?
Departures around 8 a.m. have the best record (90% on-time), while departures around 10 a.m. have the worst (31%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from SFO to GEG?
The scheduled SFO–GEG flight time averages 2h 15m over 733 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
How often are SFO to GEG flights cancelled?
0.5% 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 SFO to GEG?
July 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was April 2025 at 90%. If your dates are flexible, that 22-point gap is worth planning around.

Explore related pages

More routes from SFO

Based on 1,503 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.