ASE to ORD flight delays & on-time performance
Nonstop flights from Aspen-Pitkin County Airport (Sardy Field) to Chicago O'Hare International Airport · 1,013 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ASE or ORD 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 Chicago (ORD) arrived on time 64% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 5.8% were cancelled, and 20% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (79% on time); around 3pm did worst (43%).
- Wednesday was the most reliable day to fly (76% on time) and Saturday the least (54%).
- The largest source of delay minutes was extreme weather (35%).
Which airline is most on time from ASE to ORD?
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. | 64% | 5.8% | 38 min | 19.7% | 1,133 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am79%136 flights
- 8am63%19 flights
- 9am71%226 flights
- 11am60%96 flights
- 12pm64%406 flights
- 1pm46%56 flights
- 2pm55%44 flights
- 3pm43%54 flights
- 4pm51%96 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday66%4.2% cancelled
- Tuesday67%4.3% cancelled
- Wednesday76%2.8% cancelled
- Thursday65%3.0% cancelled
- Friday56%10.9% cancelled
- Saturday54%6.9% cancelled
- Sunday64%7.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Extreme weather35%
- Late-arriving aircraft23%
- Air traffic control & airport congestion21%
- Airline (crew, maintenance, cleaning, fueling)21%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather95%
- Air traffic control & airport congestion5%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ASE to ORD: common questions
- How often are ASE to ORD flights on time?
- 64% 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 Chicago cancelled?
- 5.8% of scheduled flights were cancelled (66 of 1,133).
- How long are typical delays?
- Across all flights the average arrival delay was 38 min (early arrivals count as zero). Flights that were late arrived 102 min behind schedule on average, and 19.7% of flights were an hour or more late.
- How long is taxi time at ASE?
- Flights on this route spent 23 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to ASE — 61% 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 → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.