Montrose/Delta (MTJ) to Denver (DEN): On-Time Performance
Data through July 2026
The calendar drives reliability on MTJ–DEN. November 2025 flights landed on schedule 97% of the time, but July 2025 dropped to 59% — a gap of 37 points. Across the full period the route averages 80% on-time against a national 78%.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 3.9
- last 12 months
- Duration
- 1h 12m
- scheduled
- Distance
- 197 mi
Best airline from MTJ to DEN
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 81% | 15 min | 0.1% | 878 |
| United Airlines | 80% | 19 min | 0.7% | 1,754 |
| SkyWest Airlines | 77% | 16 min | 0.7% | 307 |
Monthly on-time trend
Best time to fly from MTJ to DEN
Aim for departures around 8 a.m. (89% on-time); avoid 3 p.m. departures (65%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 14 min |
| Tuesdaybest | 82% | 19 min |
| Wednesday | 82% | 13 min |
| Thursday | 81% | 14 min |
| Friday | 79% | 22 min |
| Saturday | 79% | 17 min |
| Sunday | 78% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft41%
- Airline operations20%
- National airspace system37%
- Weather2%
Frequently asked questions
- How often are flights from MTJ to DEN delayed?
- 20% of MTJ–DEN 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 17 minutes.
- Which airline is most reliable from MTJ to DEN?
- Southwest Airlines has the best on-time record on this route at 81%, based on 878 flights. 3 airlines flew MTJ–DEN frequently enough to compare in this period.
- What is the best time of day to fly from MTJ to DEN?
- Departures around 8 a.m. have the best record (89% on-time), while departures around 3 p.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MTJ to DEN?
- The scheduled MTJ–DEN flight time averages 1h 12m over 197 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are MTJ to DEN flights cancelled?
- 0.5% 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 MTJ to DEN?
- July 2025 was the roughest month in this dataset, with only 59% of arrivals on time. The best was November 2025 at 97%. If your dates are flexible, that 37-point gap is worth planning around.
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Based on 2,939 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.