Historical on-time performance
Detroit to Denver
Flights on DTW–DEN arrive on time 79% of the time over the last 12 months.
based on 3,007 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.
- Frontier AirlinesOn-time84%Medianon timep9040 minCancel0.5%Flights371
- United AirlinesOn-time81%Medianon timep9030 minCancel0.7%Flights727
- Delta Air LinesOn-time78%Medianon timep9045 minCancel0.3%Flights1,260
- Southwest AirlinesOn-time75%Medianon timep9040 minCancel0.6%Flights649
Why flights run late
Delay causes
- Airline39%
- Weather3%
- Air traffic (NAS)32%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline53%
- Weather33%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 15 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DTW → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 20 min · 3,353 flights
- Middays84% on time · p90 25 min · 1,880 flights
- Afternoons75% on time · p90 45 min · 2,374 flights
- Overnights67% on time · p90 70 min · 933 flights
- Evenings58% on time · p90 70 min · 514 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 83% on time.
- Tuesdays83% on time · p90 30 min · 1,234 flights
- Wednesdays82% on time · p90 30 min · 1,222 flights
- Mondays80% on time · p90 35 min · 1,349 flights
- Saturdays79% on time · p90 35 min · 1,147 flights
- Sundays79% on time · p90 40 min · 1,373 flights
- Fridays77% on time · p90 40 min · 1,377 flights
- Thursdays77% on time · p90 40 min · 1,352 flights
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