Historical on-time performance
Houston to Vail
935 miData through May 2026Source: US DOT · BTS
Flights on IAH–EGE arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 178 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time68%Medianon timep9045 minCancel0.6%Flights178
Why flights run late
Delay causes
- Airline9%
- Weather9%
- Air traffic (NAS)46%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 1 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
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