Route · FCA → DEN · 2020–2025 BTS data
Kalispell to Denver
The FCA–DEN corridor (Kalispell, MT → Denver, CO) runs ahead of the national average, served by 7 carriers across roughly 752 miles.
Data updated 2026-06-13
- 82%
- On-time
- +3 pts
- vs US avg
- 99 min
- Delay when late
- 6,038
- Flights
Cancelled
0.8%
Best Month
Oct 2024 98%
Worst Month
May 2025 69%
Distance
752 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 76 | 18 | 0 | 0 | UA |
| Nov 2025 | 59 | 3 | 0 | 0 | UA |
| Oct 2025 | 112 | 15 | 0 | 0 | OO,UA |
| Sep 2025 | 120 | 15 | 0 | 0 | UA,OO |
| Aug 2025 | 124 | 33 | 1 | 0 | OO,UA |
| Jul 2025 | 124 | 29 | 3 | 3 | OO,UA |
| Jun 2025 | 120 | 27 | 1 | 2 | OO,UA |
| May 2025 | 99 | 31 | 1 | 0 | OO,UA |
| Apr 2025 | 60 | 7 | 0 | 2 | UA |
| Mar 2025 | 91 | 10 | 0 | 0 | OO,UA |
| Feb 2025 | 84 | 23 | 0 | 0 | OO,UA |
| Jan 2025 | 93 | 24 | 1 | 0 | OO,UA |
| Dec 2024 | 91 | 13 | 0 | 0 | OO,UA |
| Nov 2024 | 59 | 10 | 0 | 0 | UA |
| Oct 2024 | 88 | 2 | 0 | 0 | UA,OO |
| Sep 2024 | 92 | 11 | 0 | 0 | OO,UA |
| Aug 2024 | 124 | 29 | 0 | 1 | OO,UA |
| Jul 2024 | 121 | 20 | 0 | 0 | OO,UA |
| Jun 2024 | 94 | 14 | 0 | 0 | OO,UA |
| May 2024 | 71 | 11 | 0 | 0 | OO,UA |
| Apr 2024 | 68 | 7 | 0 | 0 | OO,UA |
| Mar 2024 | 91 | 10 | 1 | 0 | OO,UA |
| Feb 2024 | 79 | 22 | 2 | 0 | OO,UA |
| Jan 2024 | 85 | 24 | 8 | 0 | OO,UA |
Cancellation Rate
0.8%
18 of 2,225 flights
Diversion Rate
0.4%
8 of 2,225 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
FCA - Kalispell
Full on-time, delay-cause, and seasonal performance for Kalispell, MT.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See FCA and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to FCA–DEN.
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What the Data Says About FCA to DEN
Bureau of Transportation Statistics records show Kalispell to Denver (FCA to DEN) running a 82% on-time rate over 6,038 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 99.4 minutes. The 752-mile corridor is served by 7 carriers, and over the last 24 months 0.8% of 2,225 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 98% on-time, while May 2025 came in at just 69% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
Read our methodology - how this data is sourced, computed, and verified.
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.