Aspen Pitkin County Sardy Field in October 2023

73.2%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 October 2023, reporting carriers scheduled 328 domestic departures from Aspen Pitkin County Sardy Field (ASE). 73.2% left less than 15 minutes late and 73.5% reached their destination on time; 7.0% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so ASE departures were 10.6 points below the national departure figure.

Flights arriving at ASE that month were on time 75.2% of the time (327 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 38%, air carrier 35% and late-arriving aircraft 22%.

On time 73.5%
Arrived 15+ minutes late 18.0%
Cancelled 7.0%
Diverted 1.5%

Every scheduled departure from ASE in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	ASE, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	73.2%	—	66.5%	83.8%
Arrived on time	73.5%	—	66.5%	84.0%
Cancelled	7.0%	—	5.9%	0.4%
Average departure delay (late minutes only)	22.4 min	—	32.2 min	11.0 min
Scheduled departures a day	11	—	22	19,966
Scheduled departures	328	—	8,072	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	328	100%	73.5%	8.2 min	7.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ASE–DEN	Aspen to Denver	186	76.3%	4.4 min	8.1%
ASE–DFW	Aspen to Dallas/Fort Worth	66	69.7%	10.6 min	6.1%
ASE–ORD	Aspen to Chicago	33	63.6%	12.4 min	3.0%
ASE–LAX	Aspen to Los Angeles	31	77.4%	16.6 min	6.5%
ASE–IAH	Aspen to Houston	8	62.5%	-13.7 min	12.5%
ASE–AUS	Aspen to Austin	4	75.0%	78.5 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), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	35.1%	41.3%	2,180
Late-arriving aircraft	22.2%	40.5%	1,382
National Aviation System	4.5%	14.4%	280
Extreme weather	38.2%	3.7%	2,375
Security	0.0%	0.2%	0

6,217 delay minutes on 59 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 October 2023?

73.2% of 328 scheduled domestic departures left less than 15 minutes late, and 73.5% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 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 October 2023; 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.