FlightRecord

Aspen (ASE) to Chicago (ORD): On-Time Performance

Data through July 2026

The biggest risk when flying ASE to ORD isn't a late arrival — it's not departing at all. 5.7% 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
40 min
completed flights
Cancelled
5.7%
Flights/day
3.1
last 12 months
Duration
3h 1m
scheduled
Distance
1,013 mi

Monthly on-time trend

Monthly on-time percentage for ASE to ORD flights50%75%100%July 2024: 77% on-time (62 flights)77Jul 2024August 2024: 63% on-time (71 flights)63September 2024: 71% on-time (86 flights)71October 2024: 85% on-time (58 flights)85Oct 2024December 2024: 61% on-time (90 flights)61January 2025: 62% on-time (143 flights)62February 2025: 59% on-time (133 flights)59Feb 2025March 2025: 53% on-time (176 flights)53April 2025: 63% on-time (53 flights)63May 2025: 75% on-time (4 flights)75May 2025June 2025: 47% on-time (54 flights)47July 2025: 43% on-time (62 flights)43August 2025: 63% on-time (75 flights)63Aug 2025September 2025: 76% on-time (90 flights)76October 2025: 66% on-time (56 flights)66December 2025: 50% on-time (112 flights)50Dec 2025January 2026: 58% on-time (146 flights)58February 2026: 60% on-time (161 flights)60March 2026: 66% on-time (204 flights)66Mar 2026April 2026: 59% on-time (60 flights)59May 2026: 80% on-time (20 flights)80June 2026: 65% on-time (85 flights)65Jun 2026July 2026: 66% on-time (124 flights)66

Best time to fly from ASE to ORD

Aim for departures around 7 a.m. (79% on-time); avoid 1 p.m. departures (36%).

On-time percentage by scheduled departure hour, ASE to ORD7 a.m.: 79% on-time (136 flights)78 a.m.: 70% on-time (128 flights)89 a.m.: 66% on-time (418 flights)910 a.m.: 55% on-time (48 flights)1011 a.m.: 62% on-time (212 flights)1112 p.m.: 65% on-time (727 flights)121 p.m.: 36% on-time (132 flights)132 p.m.: 55% on-time (44 flights)143 p.m.: 47% on-time (82 flights)154 p.m.: 51% on-time (197 flights)16scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday61%36 min
Tuesday70%27 min
Wednesdaybest71%22 min
Thursday66%34 min
Friday56%50 min
Saturday54%59 min
Sunday59%46 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft23%
  • Airline operations28%
  • National airspace system20%
  • Weather28%

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 2024-07 and 2026-07. The average arrival delay across completed flights was 40 minutes.
What is the best time of day to fly from ASE to ORD?
Departures around 7 a.m. have the best record (79% 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 3h 1m 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?
5.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — 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.

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Based on 2,125 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.