Route · DEN → FCA · 2020–2025 BTS data
Denver to Kalispell
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to FCA (Denver to Kalispell) ranks #2056 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79.3%
- On-time
- +0.3 pts
- vs US avg
- 73 min
- Delay when late
- 6,066
- Flights
- #2056 of 4927
- Corpus placement
Cancelled
0.7%
Best Month
Oct 2024 93%
Worst Month
Dec 2025 63%
Distance
752 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 76 | 28 | 0 | 0 | UA |
| Nov 2025 | 59 | 9 | 0 | 0 | UA |
| Oct 2025 | 112 | 11 | 0 | 0 | OO,UA |
| Sep 2025 | 120 | 10 | 0 | 0 | UA,OO |
| Aug 2025 | 124 | 22 | 1 | 0 | OO,UA |
| Jul 2025 | 124 | 27 | 2 | 0 | OO,UA |
| Jun 2025 | 120 | 39 | 0 | 1 | OO,UA |
| May 2025 | 99 | 22 | 1 | 0 | OO,UA |
| Apr 2025 | 60 | 14 | 0 | 0 | UA |
| Mar 2025 | 91 | 14 | 0 | 0 | OO,UA |
| Feb 2025 | 84 | 27 | 0 | 0 | OO,UA |
| Jan 2025 | 93 | 25 | 0 | 1 | OO,UA |
| Dec 2024 | 91 | 18 | 0 | 2 | OO,UA |
| Nov 2024 | 59 | 10 | 0 | 1 | UA |
| Oct 2024 | 88 | 6 | 0 | 0 | UA,OO |
| Sep 2024 | 92 | 10 | 0 | 0 | OO,UA |
| Aug 2024 | 124 | 30 | 0 | 1 | OO,UA |
| Jul 2024 | 121 | 25 | 0 | 0 | OO,UA |
| Jun 2024 | 94 | 24 | 0 | 0 | OO,UA |
| May 2024 | 71 | 20 | 0 | 0 | OO,UA |
| Apr 2024 | 68 | 12 | 0 | 0 | OO,UA |
| Mar 2024 | 91 | 9 | 1 | 0 | OO,UA |
| Feb 2024 | 79 | 19 | 1 | 0 | OO,UA |
| Jan 2024 | 85 | 19 | 9 | 0 | OO,UA |
DEN–FCA seasonal on-time pattern
Best: September (89.0%) · weakest: February (68.0%)
Strongest calendar month
September
89.0% on-time · ~100 flights/mo
Busiest calendar month
August
~117 flights/mo avg
Weakest calendar month
February
68.0% on-time · ~75 flights/mo
Cancellation Rate
0.7%
15 of 2,225 flights
Diversion Rate
0.3%
6 of 2,225 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileFCA - Kalispell
Full on-time, delay-cause, and seasonal performance for Kalispell, MT.
FCA on-time profileCompare the two airports
See DEN and FCA side by side on delays, cancellations, and reliability.
Compare DEN vs FCAOrigin-hub reliability standing
Mid-pack among DEN departures
From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Kalispell · fleet on-time rank #3401 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–FCA.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About DEN to FCA
6,066 tracked flights put the DEN to FCA pairing (Denver to Kalispell) at a 79.3% on-time rate, squarely in line with the wider network. Delays that do occur run 72.5 minutes on average. Across the 752-mile route and its 7 carriers, the trailing 24 months show 0.7% cancelled and 0.3% diverted (2,225 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Dec 2025 came in at just 63% - a 30-point swing worth factoring into travel timing.
On the multi-year calendar, DEN–FCA peaks in September at 89.0% on-time while August carries the heaviest traffic (~117 flights per month) ; the softest month is February at 68.0%, a 21.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DEN to FCA rank among US routes by traffic? ▼
How often are flights delayed from DEN to FCA? ▼
What is the cancellation rate for DEN to FCA? ▼
How far is the flight from DEN to FCA? ▼
When is the best time to fly from DEN to FCA? ▼
Airports on this route
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.
Using DEN–FCA data
DEN–FCA is mid-pack at 79.3% on-time; month and carrier mix move more than the corridor headline.
- Compare DEN and FCA airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
- If your dates flex, September (89.0% on-time) beats February (68.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 79.3% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.