Historical on-time performance
Denver to Houston
883 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–HOU arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 2,325 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time72%Medianon timep9050 minCancel0.7%Flights2,325
Why flights run late
Delay causes
- Airline31%
- Weather1%
- Air traffic (NAS)17%
- Late aircraft51%
- 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 → HOU
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 — 86% on time.
- Mornings86% on time · p90 15 min · 2,799 flights
- Middays76% on time · p90 35 min · 1,461 flights
- Afternoons64% on time · p90 55 min · 1,118 flights
- Overnights61% on time · p90 75 min · 1,050 flights
- Evenings58% on time · p90 80 min · 1,426 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 75% on time.
- Wednesdays75% on time · p90 40 min · 1,128 flights
- Tuesdays74% on time · p90 45 min · 1,126 flights
- Saturdays74% on time · p90 40 min · 827 flights
- Mondays73% on time · p90 40 min · 1,223 flights
- Sundays73% on time · p90 45 min · 1,156 flights
- Fridays70% on time · p90 55 min · 1,208 flights
- Thursdays70% on time · p90 50 min · 1,186 flights
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