FlightRecord

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

Data through July 2026

The calendar drives reliability on SFO–GEG. April 2025 flights landed on schedule 90% of the time, but June 2026 dropped to 56% — a gap of 34 points. Across the full period the route averages 79% on-time against a national 78%.

On-time
79%
arrived <15 min late
Avg delay
15 min
completed flights
Cancelled
0.6%
Flights/day
2.4
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%August 2024: 89% on-time (45 flights)89Aug 2024September 2024: 85% on-time (58 flights)85October 2024: 81% on-time (62 flights)81November 2024: 82% on-time (59 flights)82Nov 2024December 2024: 82% on-time (60 flights)82January 2025: 83% on-time (58 flights)83February 2025: 83% on-time (54 flights)83Feb 2025March 2025: 85% on-time (74 flights)85April 2025: 90% on-time (81 flights)90May 2025: 84% on-time (62 flights)84May 2025June 2025: 80% on-time (78 flights)80July 2025: 68% on-time (87 flights)68August 2025: 84% on-time (85 flights)84Aug 2025September 2025: 81% on-time (83 flights)81October 2025: 73% on-time (89 flights)73November 2025: 78% on-time (78 flights)78Nov 2025December 2025: 82% on-time (62 flights)82January 2026: 88% on-time (44 flights)88February 2026: 75% on-time (52 flights)75Feb 2026March 2026: 88% on-time (58 flights)88April 2026: 73% on-time (61 flights)73May 2026: 78% on-time (70 flights)78May 2026June 2026: 56% on-time (98 flights)56July 2026: 67% on-time (110 flights)67

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 (226 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.: 77% on-time (334 flights)121 p.m.: 82% on-time (84 flights)132 p.m.: 76% on-time (74 flights)143 p.m.: 75% on-time (33 flights)154 p.m.: 79% on-time (137 flights)166 p.m.: 85% on-time (66 flights)187 p.m.: 82% on-time (81 flights)198 p.m.: 76% on-time (211 flights)209 p.m.: 76% on-time (248 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday79%19 min
Tuesday82%13 min
Wednesday79%15 min
Thursday78%13 min
Friday71%19 min
Saturdaybest84%11 min
Sunday79%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 operations24%
  • National airspace system33%
  • Weather8%

Frequently asked questions

How often are flights from SFO to GEG delayed?
21% of SFO–GEG 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 15 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 21% of the time.
How often are SFO to GEG flights cancelled?
0.6% 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 SFO to GEG?
June 2026 was the roughest month in this dataset, with only 56% of arrivals on time. The best was April 2025 at 90%. If your dates are flexible, that 34-point gap is worth planning around.

Based on 1,699 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.