Historical on-time performance
Dallas-Fort Worth to Houston
Flights on DFW–IAH arrive on time 68% of the time over the last 12 months.
based on 5,728 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Envoy AirOn-time76%Medianon timep9030 minCancel3.2%Flights885
- United AirlinesOn-time75%Medianon timep9045 minCancel2.2%Flights2,389
- American AirlinesOn-time58%Median5 minp9095 minCancel3.6%Flights2,454
Why flights run late
Delay causes
- Airline26%
- Weather7%
- Air traffic (NAS)25%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline11%
- Weather73%
- Air traffic (NAS)15%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 169 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 DFW → IAH
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 — 78% on time.
- Mornings78% on time · p90 30 min · 4,525 flights
- Middays76% on time · p90 50 min · 2,887 flights
- Afternoons69% on time · p90 75 min · 3,739 flights
- Overnights60% on time · p90 85 min · 2,136 flights
- Evenings59% on time · p90 105 min · 3,132 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 74% on time.
- Tuesdays74% on time · p90 50 min · 2,270 flights
- Wednesdays73% on time · p90 55 min · 2,344 flights
- Saturdays69% on time · p90 75 min · 2,173 flights
- Mondays68% on time · p90 75 min · 2,416 flights
- Fridays68% on time · p90 65 min · 2,420 flights
- Thursdays68% on time · p90 65 min · 2,424 flights
- Sundays66% on time · p90 75 min · 2,372 flights
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