Historical on-time performance
Aspen to Houston
913 miData through May 2026Source: US DOT · BTS
Flights on ASE–IAH arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay120 min1 in 10 flights is worse (tail risk)
Cancelled6.6%of scheduled flights
based on 534 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time66%Medianon timep90120 minCancel6.6%Flights534
Why flights run late
Delay causes
- Airline24%
- Weather15%
- Air traffic (NAS)29%
- Late aircraft33%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 35 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 ASE → 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 — 70% on time.
- Mornings70% on time · p90 70 min · 489 flights
- Middays61% on time · p90 110 min · 989 flights
- Evenings59% on time · p90 125 min · 103 flights · limited
- Afternoons49% on time · p90 145 min · 234 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 56% to 70% on time.
- Thursdays70% on time · p90 80 min · 263 flights
- Wednesdays69% on time · p90 85 min · 244 flights
- Tuesdays66% on time · p90 100 min · 225 flights
- Mondays59% on time · p90 125 min · 256 flights
- Sundays59% on time · p90 115 min · 279 flights
- Fridays57% on time · p90 105 min · 267 flights
- Saturdays56% on time · p90 145 min · 281 flights
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