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Route · IDA → DEN · 2020–2025 BTS data

Idaho Falls to Denver

The IDA–DEN corridor (Idaho Falls, ID → Denver, CO) runs ahead of the national average, served by 3 carriers across roughly 458 miles.

Data updated 2026-06-13

82.4%
On-time
+3.4 pts
vs US avg
99 min
Delay when late
6,836
Flights

Cancelled

1.0%

Best Month

Nov 2025 91%

Worst Month

Jul 2025 60%

Distance

458 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 136 29 0 1 UA,OO
Nov 2025 142 13 0 0 OO
Oct 2025 146 18 0 1 OO
Sep 2025 164 31 0 1 OO
Aug 2025 190 61 5 2 OO,G4
Jul 2025 192 77 4 3 OO,G4
Jun 2025 164 46 2 2 OO,G4
May 2025 156 42 2 3 OO,G4
Apr 2025 120 33 1 0 OO
Mar 2025 124 13 2 0 OO
Feb 2025 112 26 2 0 OO
Jan 2025 124 31 3 0 OO
Dec 2024 125 14 1 0 OO
Nov 2024 117 22 3 0 OO
Oct 2024 124 19 0 1 OO
Sep 2024 120 12 0 0 OO
Aug 2024 111 25 0 0 OO
Jul 2024 107 17 0 0 OO
Jun 2024 120 18 1 0 OO
May 2024 123 19 0 0 OO
Apr 2024 90 9 0 0 OO
Mar 2024 34 8 2 0 OO
Jan 2024 41 7 1 0 OO
Dec 2023 92 14 1 0 OO

Cancellation Rate

1.0%

30 of 2,974 flights

Diversion Rate

0.5%

14 of 2,974 flights

What the Data Says About IDA to DEN

Bureau of Transportation Statistics records show Idaho Falls to Denver (IDA to DEN) running a 82.4% on-time rate over 6,836 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 98.8 minutes. The 458-mile corridor is served by 3 carriers, and over the last 24 months 1.0% of 2,974 flights were cancelled, 0.5% diverted.

The monthly split is wide on this route: Nov 2025 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 60% - a 31-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from IDA to DEN?
Flights from Idaho Falls to Denver have a 82.4% on-time rate based on 6,836 flights. The average delay is 98.8 minutes. The best recent month was Nov 2025 with 91% on-time.
What is the cancellation rate for IDA to DEN?
Over the last 24 months, 1.0% of flights on this route were cancelled (30 of 2,974 flights) and 0.5% were diverted.
How far is the flight from IDA to DEN?
The flight distance from Idaho Falls (IDA) to Denver (DEN) is approximately 458 miles. This route is served by 3 carriers.
When is the best time to fly from IDA to DEN?
The best recent month for on-time performance was Nov 2025 (91% on-time). The worst was Jul 2025 (60% 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.