Historical on-time performance
Denver to Montrose CO
197 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–MTJ arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 1,236 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- SkyWest AirlinesOn-time75%Medianon timep9025 minCancel0.0%Flights61
- Southwest AirlinesOn-time78%Medianon timep9030 minCancel0.0%Flights315
- United AirlinesOn-time75%Medianon timep9055 minCancel0.2%Flights860
Why flights run late
Delay causes
- Airline31%
- Weather1%
- Air traffic (NAS)14%
- Late aircraft54%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → MTJ
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 20 min · 270 flights
- Middays79% on time · p90 35 min · 2,685 flights
- Afternoons73% on time · p90 35 min · 378 flights
- Evenings71% on time · p90 60 min · 1,093 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 79% on time.
- Sundays79% on time · p90 30 min · 655 flights
- Mondays79% on time · p90 45 min · 632 flights
- Tuesdays78% on time · p90 35 min · 610 flights
- Thursdays77% on time · p90 40 min · 630 flights
- Saturdays76% on time · p90 45 min · 656 flights
- Wednesdays76% on time · p90 35 min · 610 flights
- Fridays75% on time · p90 45 min · 634 flights
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