Historical on-time performance
Dallas to Houston
239 miData through May 2026Source: US DOT · BTS
Flights on DAL–HOU arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 4,075 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time73%Medianon timep9045 minCancel1.8%Flights4,075
Why flights run late
Delay causes
- Airline24%
- Weather4%
- Air traffic (NAS)25%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline40%
- Weather42%
- Air traffic (NAS)18%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 73 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 DAL → HOU
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 — 89% on time.
- Mornings89% on time · p90 10 min · 3,327 flights
- Middays80% on time · p90 30 min · 2,945 flights
- Afternoons71% on time · p90 45 min · 2,210 flights
- Evenings63% on time · p90 60 min · 2,202 flights
- Overnights62% on time · p90 65 min · 1,673 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 80% on time.
- Tuesdays80% on time · p90 35 min · 1,842 flights
- Saturdays79% on time · p90 30 min · 1,401 flights
- Wednesdays77% on time · p90 35 min · 1,844 flights
- Mondays76% on time · p90 40 min · 1,838 flights
- Fridays73% on time · p90 40 min · 1,838 flights
- Thursdays72% on time · p90 50 min · 1,835 flights
- Sundays71% on time · p90 50 min · 1,759 flights
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