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Route · SFO → GEG · 2020–2025 BTS data

San Francisco to Spokane

The SFO–GEG corridor (San Francisco, CA → Spokane, WA) runs ahead of the national average, served by 7 carriers across roughly 733 miles.

Data updated 2026-06-13

84.6%
On-time
+5.6 pts
vs US avg
70 min
Delay when late
4,271
Flights

Cancelled

0.7%

Best Month

Apr 2025 90%

Worst Month

Jul 2025 68%

Distance

733 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 62 11 0 0 OO
Nov 2025 78 16 0 1 OO
Oct 2025 89 24 0 0 OO
Sep 2025 83 16 0 0 OO
Aug 2025 85 14 0 0 OO,UA
Jul 2025 87 28 0 0 OO
Jun 2025 78 16 0 0 OO
May 2025 62 10 0 0 OO
Apr 2025 81 8 0 0 OO
Mar 2025 74 11 2 0 OO
Feb 2025 54 9 0 0 OO
Jan 2025 58 10 0 0 OO
Dec 2024 60 11 0 0 OO
Nov 2024 59 10 3 0 OO
Oct 2024 62 12 0 0 OO
Sep 2024 58 9 0 0 OO,AS
Aug 2024 45 5 0 0 AS,OO,UA
Jul 2024 31 5 0 0 OO
May 2024 34 14 0 1 OO
Apr 2024 30 9 2 0 OO
Mar 2024 35 2 1 0 OO
Feb 2024 52 6 3 0 OO
Jan 2024 58 6 0 0 OO
Dec 2023 73 15 0 0 OO

Cancellation Rate

0.7%

11 of 1,488 flights

Diversion Rate

0.1%

2 of 1,488 flights

What the Data Says About SFO to GEG

Bureau of Transportation Statistics records show San Francisco to Spokane (SFO to GEG) running a 84.6% on-time rate over 4,271 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 70.3 minutes. The 733-mile corridor is served by 7 carriers, and over the last 24 months 0.7% of 1,488 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 90% on-time, while Jul 2025 came in at just 68% - a 22-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from SFO to GEG?
Flights from San Francisco to Spokane have a 84.6% on-time rate based on 4,271 flights. The average delay is 70.3 minutes. The best recent month was Apr 2025 with 90% on-time.
What is the cancellation rate for SFO to GEG?
Over the last 24 months, 0.7% of flights on this route were cancelled (11 of 1,488 flights) and 0.1% were diverted.
How far is the flight from SFO to GEG?
The flight distance from San Francisco (SFO) to Spokane (GEG) is approximately 733 miles. This route is served by 7 carriers.
When is the best time to fly from SFO to GEG?
The best recent month for on-time performance was Apr 2025 (90% on-time). The worst was Jul 2025 (68% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.