Aspen Pitkin County Sardy Field in November 2023

79.9%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 November 2023, reporting carriers scheduled 269 domestic departures from Aspen Pitkin County Sardy Field (ASE). 79.9% left less than 15 minutes late and 79.2% reached their destination on time; 5.6% were cancelled.

Nationally that month, 86.0% of flights departed on time and 86.2% arrived on time, so ASE departures were 6.1 points below the national departure figure.

Flights arriving at ASE that month were on time 77.3% of the time (269 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 49%, air carrier 24% and late-arriving aircraft 17%.

On time 79.2%
Arrived 15+ minutes late 15.2%
Cancelled 5.6%
Diverted 0.0%

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

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

Measure	Nov 2023	Year earlier	ASE, 12 months to Jul 2026	All reported flights, Nov 2023
Departed on time	79.9%	—	66.5%	86.0%
Arrived on time	79.2%	—	66.5%	86.2%
Cancelled	5.6%	—	5.9%	0.1%
Average departure delay (late minutes only)	16.6 min	—	32.2 min	9.4 min
Scheduled departures a day	9	—	22	18,793
Scheduled departures	269	—	8,072	563,777

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	269	100%	79.2%	0.8 min	5.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ASE–DEN	Aspen to Denver	179	77.1%	4.9 min	4.5%
ASE–DFW	Aspen to Dallas/Fort Worth	57	87.7%	-15.8 min	7.0%
ASE–LAX	Aspen to Los Angeles	30	73.3%	10.8 min	10.0%
ASE–ORD	Aspen to Chicago	3	100.0%	-28.0 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), November 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2023	Minutes
Air carrier	24.1%	42.5%	936
Late-arriving aircraft	17.3%	37.3%	671
National Aviation System	9.2%	16.2%	358
Extreme weather	49.4%	3.7%	1,918
Security	0.0%	0.3%	0

3,883 delay minutes on 41 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 November 2023?

79.9% of 269 scheduled domestic departures left less than 15 minutes late, and 79.2% reached their destination on time. The national figures that month were 86.0% and 86.2%.

How does that compare with a year earlier?

November 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 November 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.