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Route · GEG → DEN · 2020–2025 BTS data

Spokane to Denver

The GEG–DEN corridor (Spokane, WA → Denver, CO) runs ahead of the national average, served by 19 carriers across roughly 836 miles.

Data updated 2026-06-13

85%
On-time
+6 pts
vs US avg
72 min
Delay when late
10,835
Flights

Cancelled

0.7%

Best Month

Jan 2025 93%

Worst Month

May 2025 70%

Distance

836 mi

Carriers

19

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 174 29 0 2 WN,F9,UA,OO
Nov 2025 162 13 1 0 OO,UA,F9,WN
Oct 2025 164 22 0 0 OO,UA,WN,F9
Sep 2025 183 31 0 0 UA,WN,OO,F9
Aug 2025 188 42 1 2 OO,WN,F9,UA
Jul 2025 198 54 1 3 UA,WN,F9
Jun 2025 188 52 1 1 UA,WN,F9
May 2025 169 51 1 1 OO,UA,WN,F9
Apr 2025 156 30 0 1 OO,UA,WN
Mar 2025 147 21 0 1 OO,UA,WN
Feb 2025 134 28 0 0 OO,UA,WN
Jan 2025 149 10 0 0 OO,UA,WN
Dec 2024 161 17 0 0 OO,UA,WN
Nov 2024 149 20 1 0 OO,UA,WN
Oct 2024 156 12 0 0 UA,OO,WN
Sep 2024 180 19 0 0 WN,OO,UA
Aug 2024 186 25 2 1 WN,OO,UA
Jul 2024 184 26 8 0 UA,WN
Jun 2024 179 27 1 3 UA,WN
May 2024 162 21 1 0 UA,WN
Apr 2024 156 20 0 0 OO,UA,WN
Mar 2024 143 15 1 0 UA,WN
Feb 2024 120 23 1 0 UA,WN
Jan 2024 129 24 6 0 WN,UA

Cancellation Rate

0.7%

26 of 3,917 flights

Diversion Rate

0.4%

15 of 3,917 flights

What the Data Says About GEG to DEN

Spokane to Denver (GEG to DEN) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85% on-time rate across 10,835 flights, with delays that do happen averaging 71.8 minutes. The corridor runs roughly 836 miles and is served by 19 carriers. Over the most recent 24 months, 26 of 3,917 flights were cancelled (0.7%) and 15 diverted (0.4%).

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 93% on-time, while May 2025 came in at just 70% - a 24-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from GEG to DEN?
Flights from Spokane to Denver have a 85% on-time rate based on 10,835 flights. The average delay is 71.8 minutes. The best recent month was Jan 2025 with 93% on-time.
What is the cancellation rate for GEG to DEN?
Over the last 24 months, 0.7% of flights on this route were cancelled (26 of 3,917 flights) and 0.4% were diverted.
How far is the flight from GEG to DEN?
The flight distance from Spokane (GEG) to Denver (DEN) is approximately 836 miles. This route is served by 19 carriers.
When is the best time to fly from GEG to DEN?
The best recent month for on-time performance was Jan 2025 (93% on-time). The worst was May 2025 (70% 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.