Historical on-time performance
Denver to Detroit
1,123 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–DTW arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 2,875 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time82%Medianon timep9030 minCancel0.4%Flights1,226
- United AirlinesOn-time78%Medianon timep9045 minCancel0.0%Flights727
- Frontier AirlinesOn-time75%Medianon timep9060 minCancel0.0%Flights274
- Southwest AirlinesOn-time62%Median5 minp9070 minCancel0.8%Flights648
Why flights run late
Delay causes
- Airline34%
- Weather2%
- Air traffic (NAS)10%
- Late aircraft53%
- 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 → DTW
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 65% to 85% on time.
- Mornings85% on time · p90 20 min · 2,139 flights
- Early mornings85% on time · p90 25 min · 636 flights
- Middays79% on time · p90 35 min · 2,592 flights
- Afternoons75% on time · p90 40 min · 1,543 flights
- Overnights65% on time · p90 90 min · 160 flights · limited
- Evenings65% on time · p90 80 min · 1,855 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 78% on time.
- Saturdays78% on time · p90 40 min · 1,223 flights
- Tuesdays78% on time · p90 35 min · 1,262 flights
- Wednesdays78% on time · p90 40 min · 1,215 flights
- Mondays77% on time · p90 40 min · 1,327 flights
- Sundays77% on time · p90 45 min · 1,264 flights
- Thursdays75% on time · p90 45 min · 1,305 flights
- Fridays74% on time · p90 45 min · 1,329 flights
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