Historical on-time performance
Houston to Denver
883 miData through May 2026Source: US DOT · BTS
Flights on HOU–DEN arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 2,349 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time77%Medianon timep9040 minCancel0.5%Flights2,349
Why flights run late
Delay causes
- Airline25%
- Weather4%
- Air traffic (NAS)34%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather17%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 12 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 HOU → 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 — 90% on time.
- Mornings90% on time · p90 10 min · 2,403 flights
- Middays80% on time · p90 35 min · 1,600 flights
- Overnights74% on time · p90 45 min · 1,313 flights
- Afternoons69% on time · p90 55 min · 1,155 flights
- Evenings67% on time · p90 60 min · 1,157 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 81% on time.
- Wednesdays81% on time · p90 35 min · 1,079 flights
- Tuesdays80% on time · p90 35 min · 1,078 flights
- Saturdays80% on time · p90 35 min · 857 flights
- Mondays78% on time · p90 35 min · 1,174 flights
- Fridays78% on time · p90 45 min · 1,176 flights
- Sundays77% on time · p90 40 min · 1,116 flights
- Thursdays76% on time · p90 40 min · 1,148 flights
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