Aspen Pitkin County Sardy Field in August 2024

71.8%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In August 2024, reporting carriers scheduled 648 domestic departures from Aspen Pitkin County Sardy Field (ASE). 71.8% left less than 15 minutes late and 68.7% reached their destination on time; 0.0% were cancelled.

Nationally that month, 75.4% of flights departed on time and 74.7% arrived on time, so ASE departures were 3.6 points below the national departure figure.

A year earlier, in August 2023, the airport had 628 departures with 75.5% leaving on time: a change of −3.7 points, with flights up 3%.

Flights arriving at ASE that month were on time 72.8% of the time (647 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 30% and national aviation system 16%.

On time 68.7%
Arrived 15+ minutes late 30.2%
Cancelled 0.0%
Diverted 1.1%

Every scheduled departure from ASE in August 2024, judged by arrival at the destination.

August 2024 against a year earlier, the airport's year and the nation

Measure	Aug 2024	Aug 2023	ASE, 12 months to Jul 2026	All reported flights, Aug 2024
Departed on time	71.8%	75.5%	66.5%	75.4%
Arrived on time	68.7%	75.0%	66.5%	74.7%
Cancelled	0.0%	0.8%	5.9%	2.1%
Average departure delay (late minutes only)	24.1 min	23.5 min	32.2 min	18.4 min
Scheduled departures a day	22	21	22	20,634
Scheduled departures	648	628	8,072	619,025

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	648	100%	68.7%	16.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ASE–DEN	Aspen to Denver	248	70.2%	15.4 min	0.0%
ASE–DFW	Aspen to Dallas/Fort Worth	124	71.8%	12.2 min	0.0%
ASE–LAX	Aspen to Los Angeles	85	72.9%	11.4 min	0.0%
ASE–ORD	Aspen to Chicago	71	63.4%	32.4 min	0.0%
ASE–IAH	Aspen to Houston	53	64.2%	18.9 min	0.0%
ASE–ATL	Aspen to Atlanta	31	58.1%	35.4 min	0.0%
ASE–SFO	Aspen to San Francisco	31	67.7%	6.0 min	0.0%
ASE–AUS	Aspen to Austin	5	40.0%	13.2 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2024	Minutes
Air carrier	38.7%	33.8%	5,971
Late-arriving aircraft	29.5%	39.8%	4,548
National Aviation System	16.2%	20.4%	2,507
Extreme weather	15.6%	5.9%	2,415
Security	0.0%	0.1%	0

15,441 delay minutes on 196 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left ASE on time in August 2024?

71.8% of 648 scheduled domestic departures left less than 15 minutes late, and 68.7% reached their destination on time. The national figures that month were 75.4% and 74.7%.

How does that compare with a year earlier?

In August 2023, 75.5% of 628 departures left on time and 0.8% were cancelled, against 71.8% and 0.0% in August 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ASE · methodology · corrections.