Historical on-time performance
Austin to Houston
Flights on AUS–IAH arrive on time 75% of the time over the last 12 months.
based on 2,578 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time75%Medianon timep9035 minCancel1.4%Flights2,578
Why flights run late
Delay causes
- Airline21%
- Weather5%
- Air traffic (NAS)40%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline46%
- Weather41%
- Air traffic (NAS)14%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 37 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 AUS → IAH
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 72% to 82% on time.
- Mornings82% on time · p90 25 min · 3,040 flights
- Middays79% on time · p90 30 min · 644 flights
- Evenings73% on time · p90 50 min · 1,974 flights
- Afternoons72% on time · p90 70 min · 1,639 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 80% on time.
- Wednesdays80% on time · p90 30 min · 1,063 flights
- Saturdays79% on time · p90 30 min · 938 flights
- Tuesdays79% on time · p90 30 min · 1,027 flights
- Thursdays76% on time · p90 45 min · 1,087 flights
- Fridays76% on time · p90 50 min · 1,065 flights
- Mondays76% on time · p90 30 min · 1,090 flights
- Sundays74% on time · p90 40 min · 1,030 flights
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