Denver (DEN) to Kalispell (FCA): On-Time Performance
Data through July 2026
Denver (DEN) to Kalispell (FCA) effectively runs on two schedules. In April 2026, 93% of arrivals were on time; in December 2025 that fell to 63% — a 30-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 72%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 2.8
- last 12 months
- Duration
- 2h 19m
- scheduled
- Distance
- 752 mi
Best airline from DEN to FCA
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 90% | 7 min | 0.2% | 603 |
| United Airlines | 76% | 16 min | 0.4% | 1,653 |
Monthly on-time trend
Best time to fly from DEN to FCA
Aim for departures around 7 a.m. (91% on-time); avoid 7 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 82% | 18 min |
| Tuesday | 82% | 15 min |
| Wednesday | 81% | 10 min |
| Thursday | 80% | 11 min |
| Friday | 79% | 15 min |
| Saturday | 77% | 12 min |
| Sunday | 78% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations32%
- National airspace system14%
- Weather9%
Frequently asked questions
- How often are flights from DEN to FCA delayed?
- 20% of DEN–FCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from DEN to FCA?
- SkyWest Airlines has the best on-time record on this route at 90%, based on 603 flights. 2 airlines flew DEN–FCA frequently enough to compare in this period.
- What is the best time of day to fly from DEN to FCA?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 7 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to FCA?
- The scheduled DEN–FCA flight time averages 2h 19m over 752 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are DEN to FCA flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to FCA?
- December 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was April 2026 at 93%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 2,256 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.