Montrose Regional (MTJ) Delays and On-Time Departures
Montrose/Delta, CO · ranked 238th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
78.2% of the 2,526 flights scheduled to depart Montrose/Delta (MTJ) in the last 12 months left on time, 0.7 points above the US average of 77.4%.
That ranks 238th of 333 US airports tracked on this site, with 1.2% of departures cancelled.
Among airlines at Montrose/Delta (MTJ), Envoy Air left on time most often (88.8%).
Over 24 months, Tuesday was the most reliable day (82% on time) and June the worst month (68%).
Best time of day to fly out of Montrose/Delta (MTJ)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 87.8% | 1.1% | 804 |
| 8am–9am | 87.7% | 0.7% | 147 |
| 9am–10am | Limited data | 6 | |
| 10am–11am | 78.8% | 0.8% | 243 |
| 11am–12pm | 83.0% | 0.5% | 195 |
| 12pm–1pm | 79.6% | 1.4% | 790 |
| 1pm–2pm | 80.6% | 0.4% | 988 |
| 2pm–3pm | 69.7% | 2.0% | 946 |
| 3pm–4pm | 70.0% | 0.3% | 662 |
| 4pm–5pm | 78.3% | 0.0% | 175 |
| 5pm–6pm | 69.2% | 0.0% | 52 |
| 6pm–7pm | Limited data | 3 | |
Airlines at MTJ ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Envoy Air | 88.8% | 89.6% | 1.6% | 127 |
| Southwest Airlines | 82.2% | 83.2% | 0.2% | 478 |
| United Airlines | 77.6% | 78.2% | 0.8% | 973 |
| SkyWest Airlines | 76.5% | 75.8% | 1.0% | 408 |
| Delta Air Lines | 75.0% | 81.0% | 4.0% | 100 |
| American Airlines | 74.1% | 74.9% | 2.7% | 440 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of MTJ
On-time departures by day, 24 months.
Best month to fly out of MTJ
On-time departures by month, 24 months.
Holiday travel at Montrose/Delta (MTJ)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 79.2% | -0.9 pts | 0.0% | 53 |
| Christmas & New Year (Dec 20 - Jan 3) | 69.4% | -10.7 pts | 0.5% | 375 |
| Summer peak (Jun 15 - Aug 15) | 73.3% | -6.8 pts | 0.8% | 838 |
| All other days | 80.1% | — | 1.1% | 3,745 |
Monthly on-time departure trend at MTJ
On-time departure % each month, with the 12-month US average for reference.
Routes from Montrose/Delta (MTJ)
Every route from MTJ with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| MTJ → Denver (DEN) | 80.9% | 0.5% | 1,415 |
| MTJ → Dallas/Fort Worth (DFW) | 78.4% | 2.4% | 579 |
| MTJ → Chicago (ORD) | 71.0% | 2.0% | 151 |