Aspen Pitkin County Sardy Field in May 2024

65.2%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 May 2024, reporting carriers scheduled 204 domestic departures from Aspen Pitkin County Sardy Field (ASE). 65.2% left less than 15 minutes late and 67.2% reached their destination on time; 2.9% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so ASE departures were 8.2 points below the national departure figure.

Flights arriving at ASE that month were on time 67.1% of the time (210 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 30% and extreme weather 23%.

On time 67.2%
Arrived 15+ minutes late 29.4%
Cancelled 2.9%
Diverted 0.5%

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

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

Measure	May 2024	Year earlier	ASE, 12 months to Jul 2026	All reported flights, May 2024
Departed on time	65.2%	—	66.5%	73.4%
Arrived on time	67.2%	—	66.5%	72.3%
Cancelled	2.9%	—	5.9%	1.4%
Average departure delay (late minutes only)	33.1 min	—	32.2 min	20.8 min
Scheduled departures a day	7	—	22	20,325
Scheduled departures	204	—	8,072	609,743

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	204	100%	67.2%	23.0 min	2.9%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ASE–DEN	Aspen to Denver	104	67.3%	17.8 min	4.8%
ASE–LAX	Aspen to Los Angeles	29	69.0%	15.2 min	0.0%
ASE–ORD	Aspen to Chicago	21	66.7%	37.2 min	0.0%
ASE–IAH	Aspen to Houston	16	62.5%	17.8 min	0.0%
ASE–ATL	Aspen to Atlanta	13	61.5%	43.9 min	7.7%
ASE–DFW	Aspen to Dallas/Fort Worth	13	69.2%	41.7 min	0.0%
ASE–SFO	Aspen to San Francisco	8	75.0%	28.6 min	0.0%

By scheduled departure hour

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

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

Delay causes

BTS cause category	Share of delay minutes	National, May 2024	Minutes
Air carrier	41.2%	29.8%	2,560
Late-arriving aircraft	30.0%	43.0%	1,861
National Aviation System	6.3%	20.1%	389
Extreme weather	22.6%	7.0%	1,401
Security	0.0%	0.1%	0

6,211 delay minutes on 60 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 May 2024?

65.2% of 204 scheduled domestic departures left less than 15 minutes late, and 67.2% reached their destination on time. The national figures that month were 73.4% and 72.3%.

How does that compare with a year earlier?

May 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 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.