Historical on-time performance
Houston to Denver
883 miData through Dec 2025Source: US DOT · BTS
Flights on HOU–DEN 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)
Cancelled1.0%of scheduled flights
based on 2,291 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9045 minCancel1.0%Flights2,291
Why flights run late
Delay causes
- Airline23%
- Weather5%
- Air traffic (NAS)38%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly HOU → DEN
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 — 91% on time.
- Mornings91% on time · p90 10 min · 2,451 flights
- Middays80% on time · p90 30 min · 1,667 flights
- Overnights71% on time · p90 55 min · 1,411 flights
- Evenings69% on time · p90 60 min · 1,171 flights
- Afternoons69% on time · p90 55 min · 1,121 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 81% on time.
- Saturdays81% on time · p90 35 min · 865 flights
- Tuesdays81% on time · p90 35 min · 1,137 flights
- Wednesdays80% on time · p90 35 min · 1,134 flights
- Mondays78% on time · p90 35 min · 1,198 flights
- Fridays78% on time · p90 40 min · 1,183 flights
- Sundays77% on time · p90 40 min · 1,145 flights
- Thursdays75% on time · p90 45 min · 1,159 flights
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