Aspen

ASE · KASE

Aspen-Pitkin County Airport (Sardy Field)

39.22°, -106.87°CO, United States

Passengers a year

703K

#163 busiest in the U.S.

11

nonstop destinations

8

airlines

21

departures a day

71.9%

arrivals on time

3.9%

flights cancelled

66.8%

load factor

The ten busiest routes from ASE, by passengers: DEN, DFW, LAX, ORD, IAH, ATL, SFO, AUS, PHX, CLTASEDENORDCLTATLDFWIAHAUSPHXLAXSFO
Nonstop routes — the ten busiest. Filed traffic, June 2025 – May 2026.

Airlines

United Airlines is the largest carrier at Aspen, with 65% of all passengers. 8 airlines fly from here.

Share of passengers · each carrier as a slice of the whole airport

United Airlines holds 65% of the airport — the 38th most concentrated of 118 non-hub airports. The nearest comparison is LNY at 66%.

AirlineSharePassengersSeats YoY
UA
United67% fullUnited Express · operated by SkyWest
64.7%454.5K+1.4%
AA
American70% fullAmerican Eagle · operated by SkyWest
26.0%182.5K+1.4%
DL
Delta60% fullDelta Connection · operated by SkyWest
9.3%65.6K+1.4%
27Q
Jet Aviation Flight Services22% full
0.0%131—
LF
Contour Airlines27% full
0.0%79—

Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. Seats year on year compares the latest twelve months against the twelve before them.

Destinations

11 nonstop destinations from Aspen, all domestic.

100% domestic · 0% international · by departing passengers

Top domestic destinations

  • Denver (DEN)

    135.2K departing · 75% full

    United Airlines

  • Dallas-Fort Worth (DFW)

    53.8K departing · 75% full

    American Airlines

  • Los Angeles (LAX)

    48.2K departing · 59% full

    United Airlines · Delta Air Lines · American Airlines

  • Chicago (ORD)

    45K departing · 68% full

    United Airlines · American Airlines

  • Houston (IAH)

    27K departing · 69% full

    United Airlines

  • Atlanta (ATL)

    17.9K departing · 61% full

    Delta Air Lines

  • San Francisco (SFO)

    16.3K departing · 66% full

    United Airlines

  • Austin (AUS)

    5.9K departing · 59% full

    American Airlines

  • Phoenix (PHX)

    4.8K departing · 71% full

    American Airlines

  • Charlotte (CLT)

    1.8K departing · 73% full

    American Airlines

All nonstop destinations

11 nonstop · 4 airlines · 11 domestic / 0 intl

Aircraft

By share of departures at Aspen.

Body class · share of departures

  • Embraer E175

    5,112 departures · 66% full

    Regional

    67.7%

  • Bombardier CRJ-700

    2,396 departures · 68% full

    Regional

    31.7%

  • Embraer Legacy 600

    9 departures · 15% full

    0.1%

  • Dassault Falcon 900

    6 departures · 19% full

    0.1%

  • Bombardier Challenger 604

    5 departures · 25% full

    0.1%

  • Gulfstream Aerospace G-III

    4 departures · 37% full

    0.1%

  • Cessna Citationjet

    3 departures · 64% full

    0.0%

  • Bombardier Global 6000

    3 departures · 29% full

    0.0%

  • Bombardier BD-700 Global Express

    2 departures · 37% full

    0.0%

  • Gulfstream III

    2 departures · 46% full

    0.0%

When Aspen is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Departures a month · peak March 2026

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a year

Every year
1990
279,680
1991
278,166
1992
321,053
1993
351,031
1994
370,333
1995
406,097
1996
397,615
1997
380,217
1998
421,363
1999
412,480
2000
393,219
2001
349,617
2002
357,824
2003
378,431
2004
364,319
2005
382,817
2006
396,251
2007
355,280
2008
427,138
2009
432,085
2010
441,217
2011
441,260
2012
423,843
2013
410,646
2014
426,227
2015
462,250
2016
500,961
2017
488,316
2018
563,999
2019
607,645
2020
359,638
2021
495,663
2022
604,831
2023
618,038
2024
698,096
2025
711,432
2026
310,593 so far

Arriving on time

Of every 100 flights landing at Aspen, 72 touch down within 15 minutes of schedule, 24 arrive late, and 4 are cancelled.

See live FAA delays

Every 100 arrivals

On time 72Late 24Cancelled 4

28 min

average delay

315

flights cancelled

7.4K

arrivals measured

What holds flights up

Share of delay minutes

Among US airports

#163

On time, month by month

Darker is better · 59.4%–87.5%

The weak spot is December 2025, when 59.4% of arrivals landed on time — 12.5 points below the year. The strongest was November 2025 at 87.5%.

Frequently asked

How busy is Aspen-Pitkin County Airport (Sardy Field) (ASE)?

Aspen-Pitkin County Airport (Sardy Field) handled about 703K passengers over the trailing 12 months, ranking #163 among U.S. airports by passengers, with roughly 21 departures a day.

Which airline is the largest at Aspen-Pitkin County Airport (Sardy Field) (ASE)?

United Airlines is the largest carrier at Aspen (ASE), flying about 65% of its passengers. 8 airlines serve Aspen in total.

How many places can you fly nonstop from Aspen-Pitkin County Airport (Sardy Field) (ASE)?

Aspen (ASE) has 11 nonstop destinations, all domestic.

How often do flights arrive on time at Aspen-Pitkin County Airport (Sardy Field) (ASE)?

About 71.9% of flights arriving at Aspen (ASE) touch down within 15 minutes of schedule, per US DOT figures. About 3.9% are cancelled.

What aircraft flies most from Aspen-Pitkin County Airport (Sardy Field) (ASE)?

The Embraer E175 flew the largest share of departures from Aspen (ASE), about 68% of the total.

Departing counts passengers leaving Aspen. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).