Denver (DEN) to Montrose/Delta (MTJ): On-Time Performance
Data through July 2026
When you fly DEN to MTJ matters as much as anything else about the booking: the route swung from 96% on-time in November 2025 to just 65% in May 2026. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 69%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 3.9
- last 12 months
- Duration
- 1h 6m
- scheduled
- Distance
- 197 mi
Best airline from DEN to MTJ
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 84% | 9 min | 0.3% | 307 |
| Southwest Airlines | 78% | 12 min | 0.0% | 879 |
| United Airlines | 75% | 18 min | 0.3% | 1,754 |
Monthly on-time trend
Best time to fly from DEN to MTJ
Aim for departures around 9 a.m. (90% on-time); avoid 2 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 14 min |
| Tuesdaybest | 79% | 15 min |
| Wednesday | 79% | 14 min |
| Thursday | 77% | 14 min |
| Friday | 74% | 21 min |
| Saturday | 78% | 13 min |
| Sunday | 74% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations33%
- National airspace system16%
- Weather2%
Frequently asked questions
- How often are flights from DEN to MTJ delayed?
- 23% of DEN–MTJ 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 15 minutes.
- Which airline is most reliable from DEN to MTJ?
- SkyWest Airlines has the best on-time record on this route at 84%, based on 307 flights. 3 airlines flew DEN–MTJ frequently enough to compare in this period.
- What is the best time of day to fly from DEN to MTJ?
- Departures around 9 a.m. have the best record (90% on-time), while departures around 2 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to MTJ?
- The scheduled DEN–MTJ flight time averages 1h 6m over 197 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are DEN to MTJ flights cancelled?
- 0.2% 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 MTJ?
- May 2026 was the roughest month in this dataset, with only 65% of arrivals on time. The best was November 2025 at 96%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 2,940 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.