Aspen Pitkin County Sardy Field in January 2026

62.2%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 January 2026, reporting carriers scheduled 1,037 domestic departures from Aspen Pitkin County Sardy Field (ASE). 62.2% left less than 15 minutes late and 65.6% reached their destination on time; 9.0% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so ASE departures were 13.4 points below the national departure figure.

A year earlier, in January 2025, the airport had 1,025 departures with 60.7% leaving on time: a change of +1.5 points, with flights up 1%.

Flights arriving at ASE that month were on time 64.7% of the time (1,037 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 38%, national aviation system 25% and air carrier 23%.

On time 65.6%
Arrived 15+ minutes late 25.2%
Cancelled 9.0%
Diverted 0.3%

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

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

Measure	Jan 2026	Jan 2025	ASE, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	62.2%	60.7%	66.5%	75.6%
Arrived on time	65.6%	62.9%	66.5%	75.3%
Cancelled	9.0%	5.3%	5.9%	4.7%
Average departure delay (late minutes only)	36.4 min	39.7 min	32.2 min	16.7 min
Scheduled departures a day	35	34	22	18,133
Scheduled departures	1,037	1,025	8,072	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	1,037	100%	65.6%	21.6 min	9.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ASE–DEN	Aspen to Denver	250	73.6%	4.2 min	7.2%
ASE–LAX	Aspen to Los Angeles	187	70.1%	22.7 min	9.6%
ASE–DFW	Aspen to Dallas/Fort Worth	160	49.4%	45.8 min	11.3%
ASE–ORD	Aspen to Chicago	146	52.7%	36.9 min	8.9%
ASE–IAH	Aspen to Houston	94	74.5%	6.0 min	8.5%
ASE–ATL	Aspen to Atlanta	62	74.2%	21.5 min	3.2%
ASE–SFO	Aspen to San Francisco	62	71.0%	14.8 min	9.7%
ASE–AUS	Aspen to Austin	31	64.5%	26.4 min	9.7%
ASE–PHX	Aspen to Phoenix	31	71.0%	21.0 min	6.5%
ASE–CLT	Aspen to Charlotte	14	50.0%	22.6 min	35.7%

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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	23.0%	37.3%	7,348
Late-arriving aircraft	15.0%	35.0%	4,790
National Aviation System	24.5%	18.0%	7,836
Extreme weather	37.5%	9.6%	11,999
Security	0.0%	0.1%	0

31,973 delay minutes on 261 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 January 2026?

62.2% of 1,037 scheduled domestic departures left less than 15 minutes late, and 65.6% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 60.7% of 1,025 departures left on time and 5.3% were cancelled, against 62.2% and 9.0% in January 2026.

Provenance

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