Aspen Pitkin County Sardy Field in April 2024

72.0%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 April 2024, reporting carriers scheduled 489 domestic departures from Aspen Pitkin County Sardy Field (ASE). 72.0% left less than 15 minutes late and 68.7% reached their destination on time; 6.7% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so ASE departures were 8.5 points below the national departure figure.

Flights arriving at ASE that month were on time 68.8% of the time (484 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 51%, extreme weather 24% and late-arriving aircraft 14%.

On time 68.7%
Arrived 15+ minutes late 22.5%
Cancelled 6.7%
Diverted 2.0%

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

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

Measure	Apr 2024	Year earlier	ASE, 12 months to Jul 2026	All reported flights, Apr 2024
Departed on time	72.0%	—	66.5%	80.5%
Arrived on time	68.7%	—	66.5%	80.2%
Cancelled	6.7%	—	5.9%	0.7%
Average departure delay (late minutes only)	24.0 min	—	32.2 min	14.2 min
Scheduled departures a day	16	—	22	19,406
Scheduled departures	489	—	8,072	582,185

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	489	100%	68.7%	14.7 min	6.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ASE–DEN	Aspen to Denver	250	76.4%	-0.4 min	6.4%
ASE–ORD	Aspen to Chicago	59	66.1%	18.2 min	6.8%
ASE–LAX	Aspen to Los Angeles	56	71.4%	22.8 min	7.1%
ASE–DFW	Aspen to Dallas/Fort Worth	42	64.3%	54.0 min	2.4%
ASE–ATL	Aspen to Atlanta	38	47.4%	39.4 min	7.9%
ASE–IAH	Aspen to Houston	23	43.5%	36.8 min	13.0%
ASE–SFO	Aspen to San Francisco	17	52.9%	31.7 min	11.8%
ASE–AUS	Aspen to Austin	3	33.3%	7.7 min	0.0%
ASE–PHX	Aspen to Phoenix	1	100.0%	-15.0 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), April 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2024	Minutes
Air carrier	51.3%	33.6%	5,370
Late-arriving aircraft	13.7%	41.0%	1,429
National Aviation System	9.6%	20.0%	1,001
Extreme weather	23.6%	5.1%	2,469
Security	1.8%	0.2%	189

10,458 delay minutes on 110 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 April 2024?

72.0% of 489 scheduled domestic departures left less than 15 minutes late, and 68.7% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 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 April 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.