Kalispell (FCA) to Denver (DEN): On-Time Performance
Data through May 2026
The calendar drives reliability on FCA–DEN. October 2024 flights landed on schedule 98% of the time, but May 2025 dropped to 68% — a gap of 29 points. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 70%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 2.9
- last 12 months
- Duration
- 2h 18m
- scheduled
- Distance
- 752 mi
Best airline from FCA to DEN
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 84% | 12 min | 0.2% | 588 |
| United Airlines | 82% | 18 min | 0.8% | 1,571 |
Monthly on-time trend
Best time to fly from FCA to DEN
Aim for departures around 10 a.m. (93% on-time); avoid 5 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 16 min |
| Tuesday | 80% | 19 min |
| Wednesday | 82% | 20 min |
| Thursdaybest | 86% | 17 min |
| Friday | 80% | 17 min |
| Saturday | 82% | 14 min |
| Sunday | 86% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft28%
- Airline operations26%
- National airspace system41%
- Weather5%
Frequently asked questions
- How often are flights from FCA to DEN delayed?
- 18% of FCA–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 16 minutes.
- Which airline is most reliable from FCA to DEN?
- SkyWest Airlines has the best on-time record on this route at 84%, based on 588 flights. 2 airlines flew FCA–DEN frequently enough to compare in this period.
- What is the best time of day to fly from FCA to DEN?
- Departures around 10 a.m. have the best record (93% on-time), while departures around 5 p.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FCA to DEN?
- The scheduled FCA–DEN flight time averages 2h 18m over 752 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are FCA to DEN flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from FCA to DEN?
- May 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was October 2024 at 98%. If your dates are flexible, that 29-point gap is worth planning around.
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Based on 2,159 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.