Aspen Pitkin County Sardy Field in March 2026

66.5%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 March 2026, reporting carriers scheduled 1,188 domestic departures from Aspen Pitkin County Sardy Field (ASE). 66.5% left less than 15 minutes late and 67.1% reached their destination on time; 10.0% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so ASE departures were 6.3 points below the national departure figure.

A year earlier, in March 2025, the airport had 1,081 departures with 55.6% leaving on time: a change of +10.9 points, with flights up 10%.

Flights arriving at ASE that month were on time 68.0% of the time (1,188 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 34%, air carrier 34% and national aviation system 20%.

On time 67.1%
Arrived 15+ minutes late 22.7%
Cancelled 10.0%
Diverted 0.2%

Every scheduled departure from ASE in March 2026, judged by arrival at the destination.

March 2026 against a year earlier, the airport's year and the nation

Measure	Mar 2026	Mar 2025	ASE, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	66.5%	55.6%	66.5%	72.8%
Arrived on time	67.1%	57.1%	66.5%	73.2%
Cancelled	10.0%	9.6%	5.9%	2.9%
Average departure delay (late minutes only)	24.8 min	33.1 min	32.2 min	20.3 min
Scheduled departures a day	40	36	22	20,403
Scheduled departures	1,188	1,081	8,072	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	1,188	100%	67.1%	10.2 min	10.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ASE–DEN	Aspen to Denver	310	76.1%	-2.0 min	10.6%
ASE–ORD	Aspen to Chicago	204	59.8%	25.8 min	8.8%
ASE–LAX	Aspen to Los Angeles	201	74.6%	-4.7 min	7.5%
ASE–DFW	Aspen to Dallas/Fort Worth	159	54.7%	20.3 min	13.8%
ASE–IAH	Aspen to Houston	116	71.6%	10.4 min	7.8%
ASE–ATL	Aspen to Atlanta	62	53.2%	26.8 min	8.1%
ASE–SFO	Aspen to San Francisco	61	75.4%	7.2 min	6.6%
ASE–AUS	Aspen to Austin	31	48.4%	25.8 min	22.6%
ASE–PHX	Aspen to Phoenix	31	64.5%	34.5 min	6.5%
ASE–CLT	Aspen to Charlotte	13	38.5%	16.3 min	30.8%

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), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	33.6%	33.5%	8,365
Late-arriving aircraft	34.3%	39.3%	8,562
National Aviation System	20.2%	21.0%	5,030
Extreme weather	11.9%	5.9%	2,972
Security	0.0%	0.2%	0

24,929 delay minutes on 270 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 March 2026?

66.5% of 1,188 scheduled domestic departures left less than 15 minutes late, and 67.1% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 55.6% of 1,081 departures left on time and 9.6% were cancelled, against 66.5% and 10.0% in March 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2026; 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.