Best Time to Fly DEN to MTJ: On-Time Stats by Hour & Airline
Denver International → Montrose Regional
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.5% of Denver (DEN) to Montrose/Delta (MTJ) flights arrived on time (1,416 scheduled flights). That is 2.1 points below the national average of 77.6%.
SkyWest Airlines was the most punctual of the 3 airlines on the route at 82.6%, while Southwest Airlines trailed at 74.1%.
November has been the best month (88% on time) and Sunday the weakest day of the week (73%).
0.1% of flights were cancelled, versus 1.8% nationally.
DEN to MTJ on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 82.6% | 49 min | 0.0% | 109 |
| United Airlines | 75.3% | 64 min | 0.1% | 886 |
| Southwest Airlines | 74.1% | 56 min | 0.0% | 421 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to MTJ
On-time arrival % by scheduled departure hour (local time), 2,816 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 5 | |
| 8am–9am | Limited data | 2 | |
| 9am–10am | 86.8% | 0.0% | 38 |
| 10am–11am | 87.8% | 0.0% | 263 |
| 11am–12pm | 80.8% | 0.1% | 822 |
| 12pm–1pm | 79.5% | 0.0% | 73 |
| 1pm–2pm | 79.5% | 0.2% | 590 |
| 2pm–3pm | 56.9% | 0.0% | 59 |
| 3pm–4pm | 86.6% | 0.0% | 67 |
| 4pm–5pm | Limited data | 21 | |
| 5pm–6pm | Limited data | 8 | |
| 6pm–7pm | 62.4% | 0.0% | 141 |
| 7pm–8pm | 70.6% | 0.6% | 727 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to MTJ
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 85.0% | +5.7 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.0% | -6.2 pts | 1.3% | 155 |
| Summer peak (Jun 15 - Aug 15) | 68.9% | -10.3 pts | 0.2% | 491 |
| All other days | 79.3% | — | 0.1% | 2,130 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).