Aspen (ASE) to Chicago (ORD): On-Time Performance
Data through May 2026
The biggest risk when flying ASE to ORD isn't a late arrival — it's not departing at all. 5.6% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 62% land on time, below the national average of 78%.
- On-time
- 62%
- arrived <15 min late
- Avg delay
- 39 min
- completed flights
- Cancelled
- 5.6%
- Flights/day
- 2.8
- last 12 months
- Duration
- 2h 60m
- scheduled
- Distance
- 1,013 mi
Monthly on-time trend
Best time to fly from ASE to ORD
Aim for departures around 7 a.m. (78% on-time); avoid 1 p.m. departures (36%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 61% | 36 min |
| Tuesdaybest | 70% | 27 min |
| Wednesdaybest | 70% | 22 min |
| Thursday | 65% | 33 min |
| Friday | 56% | 51 min |
| Saturday | 55% | 58 min |
| Sunday | 58% | 45 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft24%
- Airline operations29%
- National airspace system20%
- Weather27%
Frequently asked questions
- How often are flights from ASE to ORD delayed?
- 38% of ASE–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 39 minutes.
- What is the best time of day to fly from ASE to ORD?
- Departures around 7 a.m. have the best record (78% on-time), while departures around 1 p.m. have the worst (36%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ASE to ORD?
- The scheduled ASE–ORD flight time averages 2h 60m over 1,013 miles. Actual arrival times vary — flights on this route land 15+ minutes late 38% of the time.
- How often are ASE to ORD flights cancelled?
- 5.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from ASE to ORD?
- July 2025 was the roughest month in this dataset, with only 43% of arrivals on time. The best was October 2024 at 85%. If your dates are flexible, that 42-point gap is worth planning around.
Explore related pages
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Based on 1,998 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.