ASE to IAH flight delays & on-time performance
Nonstop flights from Aspen-Pitkin County Airport (Sardy Field) to George Bush Intercontinental Airport · 913 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ASE or IAH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Aspen (ASE) to Houston (IAH) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.6% were cancelled, and 15% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (84% on time); around 3pm did worst (57%).
- Wednesday was the most reliable day to fly (83% on time) and Saturday the least (69%).
- The largest source of delay minutes was air traffic control & airport congestion (30%).
Which airline is most on time from ASE to IAH?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 74% | 4.6% | 27 min | 15.2% | 626 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%198 flights
- 11am73%177 flights
- 1pm69%183 flights
- 3pm57%38 flights
- 5pm63%21 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%3.4% cancelled
- Tuesday76%1.3% cancelled
- Wednesday83%2.4% cancelled
- Thursday81%2.2% cancelled
- Friday71%8.3% cancelled
- Saturday69%9.3% cancelled
- Sunday69%4.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion30%
- Late-arriving aircraft29%
- Extreme weather21%
- Airline (crew, maintenance, cleaning, fueling)20%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
ASE to IAH: common questions
- How often are ASE to IAH flights on time?
- 74% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Aspen to Houston cancelled?
- 4.6% of scheduled flights were cancelled (29 of 626).
- How long are typical delays?
- Across all flights the average arrival delay was 27 min (early arrivals count as zero). Flights that were late arrived 102 min behind schedule on average, and 15.2% of flights were an hour or more late.
- How long is taxi time at ASE?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IAH to ASE — 75% on time
More flights from Aspen
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ASE → IAH, nonstop flights by US airlines that report to the DOT. How we calculate this.