ORD to ASE flight delays & on-time performance
Nonstop flights from Chicago O'Hare International Airport to Aspen-Pitkin County Airport (Sardy Field) · 1,013 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ORD or ASE right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (ORD) to Aspen (ASE) arrived on time 61% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3% 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 7pm did best (72% on time); around 10am did worst (43%).
- Tuesday was the most reliable day to fly (69% on time) and Friday the least (50%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (30%).
Which airline is most on time from ORD to ASE?
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. | 61% | 3.0% | 39 min | 17.2% | 1,134 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am69%111 flights
- 8am55%90 flights
- 9am66%270 flights
- 10am43%98 flights
- 11am50%83 flights
- 12pm52%126 flights
- 1pm44%28 flights
- 3pm64%109 flights
- 4pm60%17 flights
- 7pm72%202 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday65%3.6% cancelled
- Tuesday69%1.4% cancelled
- Wednesday67%2.8% cancelled
- Thursday58%1.2% cancelled
- Friday50%5.1% cancelled
- Saturday57%2.3% cancelled
- Sunday61%4.2% 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)30%
- Air traffic control & airport congestion26%
- Late-arriving aircraft22%
- Extreme weather21%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather97%
- Air traffic control & airport congestion3%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ORD to ASE: common questions
- How often are ORD to ASE flights on time?
- 61% 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 Chicago to Aspen cancelled?
- 3.0% of scheduled flights were cancelled (34 of 1,134).
- How long are typical delays?
- Across all flights the average arrival delay was 39 min (early arrivals count as zero). Flights that were late arrived 97 min behind schedule on average, and 17.2% of flights were an hour or more late.
- How long is taxi time at ORD?
- Flights on this route spent 35 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ASE to ORD — 64% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ORD → ASE, nonstop flights by US airlines that report to the DOT. How we calculate this.