ASE to PHX flight delays & on-time performance
Nonstop flights from Aspen-Pitkin County Airport (Sardy Field) to Phoenix Sky Harbor International Airport · 491 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ASE or PHX 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 Phoenix (PHX) arrived on time 69% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 5.5% were cancelled, and 17% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 12pm did best (84% on time); around 11am did worst (58%).
- Sunday was the most reliable day to fly (86% on time) and Friday the least (33%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (29%).
Which airline is most on time from ASE to PHX?
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. | 69% | 5.5% | 34 min | 17.3% | 110 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am63%50 flights
- 11am58%23 flights
- 12pm84%37 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday69%0.0% cancelled
- Tuesday80%0.0% cancelled
- Wednesday79%6.7% cancelled
- Thursday63%0.0% cancelled
- Friday33%6.3% cancelled
- Saturday79%12.5% cancelled
- Sunday86%12.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)29%
- Extreme weather28%
- Late-arriving aircraft28%
- Air traffic control & airport congestion15%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion17%
- Security0%
ASE to PHX: common questions
- How often are ASE to PHX flights on time?
- 69% 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 Phoenix cancelled?
- 5.5% of scheduled flights were cancelled (6 of 110).
- How long are typical delays?
- Across all flights the average arrival delay was 34 min (early arrivals count as zero). Flights that were late arrived 106 min behind schedule on average, and 17.3% of flights were an hour or more late.
- How long is taxi time at ASE?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHX to ASE — 65% 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 → PHX, nonstop flights by US airlines that report to the DOT. How we calculate this.