Historical on-time performance
Houston to Dallas-Fort Worth
Flights on IAH–DFW arrive on time 73% 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-time75%Medianon timep9060 minCancel3.3%Flights886
- United AirlinesOn-time74%Medianon timep9055 minCancel1.9%Flights2,389
- American AirlinesOn-time71%Medianon timep9090 minCancel3.6%Flights2,453
Why flights run late
Delay causes
- Airline29%
- Weather11%
- Air traffic (NAS)18%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather75%
- Air traffic (NAS)16%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 163 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 IAH → DFW
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 57% to 78% on time.
- Mornings78% on time · p90 40 min · 5,450 flights
- Middays77% on time · p90 55 min · 2,692 flights
- Afternoons69% on time · p90 70 min · 3,964 flights
- Overnights66% on time · p90 70 min · 1,967 flights
- Evenings57% on time · p90 115 min · 2,358 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 74% on time.
- Saturdays74% on time · p90 65 min · 2,175 flights
- Tuesdays73% on time · p90 60 min · 2,265 flights
- Wednesdays73% on time · p90 60 min · 2,337 flights
- Fridays71% on time · p90 65 min · 2,426 flights
- Thursdays71% on time · p90 65 min · 2,435 flights
- Sundays69% on time · p90 75 min · 2,377 flights
- Mondays69% on time · p90 75 min · 2,416 flights
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