FlightRecord

Los Angeles (LAX) to Aspen (ASE): On-Time Performance

Data through May 2026

When you fly LAX to ASE matters as much as anything else about the booking: the route swung from 95% on-time in May 2026 to just 46% in December 2024. Across the full period the route averages 71% on-time against a national 78%.

On-time
71%
arrived <15 min late
Avg delay
28 min
completed flights
Cancelled
2.3%
Flights/day
3.5
last 12 months
Duration
2h 20m
scheduled
Distance
737 mi

Monthly on-time trend

Monthly on-time percentage for LAX to ASE flights50%75%100%June 2024: 80% on-time (116 flights)80Jun 2024July 2024: 74% on-time (124 flights)74August 2024: 71% on-time (85 flights)71September 2024: 82% on-time (60 flights)82Sep 2024October 2024: 81% on-time (62 flights)81November 2024: 81% on-time (60 flights)81December 2024: 46% on-time (120 flights)46Dec 2024January 2025: 67% on-time (156 flights)67February 2025: 60% on-time (134 flights)60March 2025: 59% on-time (148 flights)59Mar 2025April 2025: 73% on-time (73 flights)73May 2025: 100% on-time (8 flights)100June 2025: 60% on-time (88 flights)60Jun 2025July 2025: 72% on-time (117 flights)72August 2025: 75% on-time (94 flights)75September 2025: 84% on-time (61 flights)84Sep 2025October 2025: 84% on-time (62 flights)84November 2025: 95% on-time (59 flights)95December 2025: 63% on-time (135 flights)63Dec 2025January 2026: 78% on-time (187 flights)78February 2026: 60% on-time (178 flights)60March 2026: 70% on-time (201 flights)70Mar 2026April 2026: 87% on-time (67 flights)87May 2026: 95% on-time (21 flights)95

Best time to fly from LAX to ASE

Aim for departures around 5 p.m. (84% on-time); avoid 8 a.m. departures (65%).

On-time percentage by scheduled departure hour, LAX to ASE8 a.m.: 65% on-time (163 flights)89 a.m.: 67% on-time (819 flights)910 a.m.: 70% on-time (228 flights)1011 a.m.: 69% on-time (27 flights)1112 p.m.: 71% on-time (362 flights)121 p.m.: 79% on-time (24 flights)132 p.m.: 71% on-time (306 flights)143 p.m.: 73% on-time (85 flights)154 p.m.: 81% on-time (313 flights)165 p.m.: 84% on-time (52 flights)17scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday73%26 min
Tuesdaybest80%21 min
Wednesday77%21 min
Thursday70%33 min
Friday65%25 min
Saturday64%37 min
Sunday67%33 min

What causes delays on this route

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

  • Late-arriving aircraft16%
  • Airline operations43%
  • National airspace system27%
  • Weather14%

Frequently asked questions

How often are flights from LAX to ASE delayed?
29% of LAX–ASE 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 28 minutes.
What is the best time of day to fly from LAX to ASE?
Departures around 5 p.m. have the best record (84% on-time), while departures around 8 a.m. have the worst (65%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from LAX to ASE?
The scheduled LAX–ASE flight time averages 2h 20m over 737 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
How often are LAX to ASE flights cancelled?
2.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
What is the worst month to fly from LAX to ASE?
December 2024 was the roughest month in this dataset, with only 46% of arrivals on time. The best was May 2026 at 95%. If your dates are flexible, that 49-point gap is worth planning around.

Based on 2,416 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.