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201 km · Domestic

Aspen-Pitkin County Airport (Sardy Field) (ASE) – Denver (DEN)

In July 2026, 482 flights operated between Aspen-Pitkin County Airport (Sardy Field) and Denver (both directions), and 69.7% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January554462▼ 16.6%
February476451▼ 5.3%
March552557▲ 0.9%
April476427▼ 10.3%
May67152▲ 126.9%
June449446▼ 0.7%
July458482▲ 5.2%
August469––
September452––
October421–in progress
November343––
December511––
Year to date (Jan–Jul)3,0322,977▼ 1.8%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January75.1%79.4%▲ 5.7%
February71.2%73.6%▲ 3.4%
March73.2%84.4%▲ 15.3%
April76.9%85.2%▲ 10.8%
May83.6%87.5%▲ 4.7%
June58.4%70.4%▲ 20.5%
July63.3%69.7%▲ 10.1%
August70.1%––
September85.4%––
October82.9%–in progress
November90.4%––
December67.9%––
Year-to-date average (Jan–Jul)71.7%78.6%▲ 9.7%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January1638▲ 137.5%
February5257▲ 9.6%
March5263▲ 21.2%
April2412▼ 50.0%
May00–
June1618▲ 12.5%
July3226▼ 18.8%
August19––
September0––
October0–in progress
November15––
December28––
Year to date (Jan–Jul)192214▲ 11.5%

By direction

ASE → DEN

Scheduled flights
5,006
Flights operated
4,728
Cancelled
278 · 5.6%
On-time departures
75.0%

DEN → ASE

Scheduled flights
5,006
Flights operated
4,730
Cancelled
276 · 5.5%
On-time departures
76.5%

ASE → DEN and DEN → ASE counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 10,012 100.0% 75.8% 554

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Lowest average delay10:00–11:007.1min · 405 recorded · 382 measured
Gap to highest-delay hour48.1min10:00 ↔ 20:00
Recorded flights10,012ASE–DEN

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 85.2% · 978 recorded · 945 measured · Source: the US BTS 08:00 · 82.7% · 561 recorded · 549 measured · Source: the US BTS 09:00 · 81.4% · 921 recorded · 883 measured · Source: the US BTS 10:00 · 83.5% · 405 recorded · 382 measured · Source: the US BTS 11:00 · 76.9% · 1,122 recorded · 1,076 measured · Source: the US BTS 12:00 · 66.0% · 402 recorded · 374 measured · Source: the US BTS 13:00 · 74.9% · 1,214 recorded · 1,145 measured · Source: the US BTS 14:00 · 69.6% · 453 recorded · 427 measured · Source: the US BTS 15:00 · 70.0% · 1,112 recorded · 1,026 measured · Source: the US BTS 16:00 · 70.1% · 329 recorded · 298 measured · Source: the US BTS 17:00 · 72.0% · 904 recorded · 847 measured · Source: the US BTS 18:00 · 72.9% · 460 recorded · 417 measured · Source: the US BTS 19:00 · 70.6% · 604 recorded · 575 measured · Source: the US BTS 20:00 · 77.0% · 545 recorded · 512 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 10.8 min · 978 recorded · 945 measured · Source: the US BTS 08:00 · 9.7 min · 561 recorded · 549 measured · Source: the US BTS 09:00 · 12.7 min · 921 recorded · 883 measured · Source: the US BTS 10:00 · 7.1 min · 405 recorded · 382 measured · Source: the US BTS 11:00 · 18.2 min · 1,122 recorded · 1,076 measured · Source: the US BTS 12:00 · 26.0 min · 402 recorded · 374 measured · Source: the US BTS 13:00 · 21.1 min · 1,214 recorded · 1,145 measured · Source: the US BTS 14:00 · 33.2 min · 453 recorded · 427 measured · Source: the US BTS 15:00 · 29.1 min · 1,112 recorded · 1,026 measured · Source: the US BTS 16:00 · 30.3 min · 329 recorded · 298 measured · Source: the US BTS 17:00 · 32.0 min · 904 recorded · 847 measured · Source: the US BTS 18:00 · 17.8 min · 460 recorded · 417 measured · Source: the US BTS 19:00 · 34.5 min · 604 recorded · 575 measured · Source: the US BTS 20:00 · 55.2 min · 545 recorded · 512 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 2 recorded · 2 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 978 · 978 recorded · 945 measured · Source: the US BTS 08:00 · 561 · 561 recorded · 549 measured · Source: the US BTS 09:00 · 921 · 921 recorded · 883 measured · Source: the US BTS 10:00 · 405 · 405 recorded · 382 measured · Source: the US BTS 11:00 · 1,122 · 1,122 recorded · 1,076 measured · Source: the US BTS 12:00 · 402 · 402 recorded · 374 measured · Source: the US BTS 13:00 · 1,214 · 1,214 recorded · 1,145 measured · Source: the US BTS 14:00 · 453 · 453 recorded · 427 measured · Source: the US BTS 15:00 · 1,112 · 1,112 recorded · 1,026 measured · Source: the US BTS 16:00 · 329 · 329 recorded · 298 measured · Source: the US BTS 17:00 · 904 · 904 recorded · 847 measured · Source: the US BTS 18:00 · 460 · 460 recorded · 417 measured · Source: the US BTS 19:00 · 604 · 604 recorded · 575 measured · Source: the US BTS 20:00 · 545 · 545 recorded · 512 measured · Source: the US BTS 21:00 · 2 · 2 recorded · 2 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:00No observations———
07:0085.2%10.8 min945978
08:0082.7%9.7 min549561
09:0081.4%12.7 min883921
10:0083.5%7.1 min382405
11:0076.9%18.2 min1,0761,122
12:0066.0%26.0 min374402
13:0074.9%21.1 min1,1451,214
14:0069.6%33.2 min427453
15:0070.0%29.1 min1,0261,112
16:0070.1%30.3 min298329
17:0072.0%32.0 min847904
18:0072.9%17.8 min417460
19:0070.6%34.5 min575604
20:0077.0%55.2 min512545
21:00Fewer than 200 measured departures—22
22:00No observations———
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 75.5% · 1,459 recorded · 1,385 measured · Source: the US BTS Tuesday · 79.8% · 1,390 recorded · 1,284 measured · Source: the US BTS Wednesday · 81.6% · 1,395 recorded · 1,342 measured · Source: the US BTS Thursday · 75.5% · 1,435 recorded · 1,388 measured · Source: the US BTS Friday · 75.1% · 1,460 recorded · 1,335 measured · Source: the US BTS Saturday · 71.7% · 1,419 recorded · 1,327 measured · Source: the US BTS Sunday · 71.6% · 1,454 recorded · 1,397 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · 20.5 min · 1,459 recorded · 1,385 measured · Source: the US BTS Tuesday · 18.1 min · 1,390 recorded · 1,284 measured · Source: the US BTS Wednesday · 18.5 min · 1,395 recorded · 1,342 measured · Source: the US BTS Thursday · 22.7 min · 1,435 recorded · 1,388 measured · Source: the US BTS Friday · 22.2 min · 1,460 recorded · 1,335 measured · Source: the US BTS Saturday · 26.3 min · 1,419 recorded · 1,327 measured · Source: the US BTS Sunday · 32.9 min · 1,454 recorded · 1,397 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 1,459 · 1,459 recorded · 1,385 measured · Source: the US BTS Tuesday · 1,390 · 1,390 recorded · 1,284 measured · Source: the US BTS Wednesday · 1,395 · 1,395 recorded · 1,342 measured · Source: the US BTS Thursday · 1,435 · 1,435 recorded · 1,388 measured · Source: the US BTS Friday · 1,460 · 1,460 recorded · 1,335 measured · Source: the US BTS Saturday · 1,419 · 1,419 recorded · 1,327 measured · Source: the US BTS Sunday · 1,454 · 1,454 recorded · 1,397 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday75.5%20.5 min1,3851,459
Tuesday79.8%18.1 min1,2841,390
Wednesday81.6%18.5 min1,3421,395
Thursday75.5%22.7 min1,3881,435
Friday75.1%22.2 min1,3351,460
Saturday71.7%26.3 min1,3271,419
Sunday71.6%32.9 min1,3971,454

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Jan · 77.1% · 1,070 recorded · 1,016 measured · Source: the US BTS Feb · 72.4% · 1,036 recorded · 927 measured · Source: the US BTS Mar · 78.8% · 1,224 recorded · 1,109 measured · Source: the US BTS Apr · 80.8% · 939 recorded · 903 measured · Source: the US BTS May · 86.3% · 219 recorded · 219 measured · Source: the US BTS Jun · 64.4% · 929 recorded · 895 measured · Source: the US BTS Jul · 66.6% · 998 recorded · 940 measured · Source: the US BTS Aug · 70.2% · 488 recorded · 469 measured · Source: the US BTS Sep · 85.4% · 452 recorded · 452 measured · Source: the US BTS Oct · 85.0% · 741 recorded · 741 measured · Source: the US BTS Nov · 84.0% · 828 recorded · 762 measured · Source: the US BTS Dec · 71.5% · 1,088 recorded · 1,025 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · 16.7 min · 1,070 recorded · 1,016 measured · Source: the US BTS Feb · 24.0 min · 1,036 recorded · 927 measured · Source: the US BTS Mar · 13.0 min · 1,224 recorded · 1,109 measured · Source: the US BTS Apr · 13.7 min · 939 recorded · 903 measured · Source: the US BTS May · 0.5 min · 219 recorded · 219 measured · Source: the US BTS Jun · 49.1 min · 929 recorded · 895 measured · Source: the US BTS Jul · 48.6 min · 998 recorded · 940 measured · Source: the US BTS Aug · 25.9 min · 488 recorded · 469 measured · Source: the US BTS Sep · 8.2 min · 452 recorded · 452 measured · Source: the US BTS Oct · 7.5 min · 741 recorded · 741 measured · Source: the US BTS Nov · 16.6 min · 828 recorded · 762 measured · Source: the US BTS Dec · 28.0 min · 1,088 recorded · 1,025 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 1,070 · 1,070 recorded · 1,016 measured · Source: the US BTS Feb · 1,036 · 1,036 recorded · 927 measured · Source: the US BTS Mar · 1,224 · 1,224 recorded · 1,109 measured · Source: the US BTS Apr · 939 · 939 recorded · 903 measured · Source: the US BTS May · 219 · 219 recorded · 219 measured · Source: the US BTS Jun · 929 · 929 recorded · 895 measured · Source: the US BTS Jul · 998 · 998 recorded · 940 measured · Source: the US BTS Aug · 488 · 488 recorded · 469 measured · Source: the US BTS Sep · 452 · 452 recorded · 452 measured · Source: the US BTS Oct · 741 · 741 recorded · 741 measured · Source: the US BTS Nov · 828 · 828 recorded · 762 measured · Source: the US BTS Dec · 1,088 · 1,088 recorded · 1,025 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan77.1%16.7 min1,0161,070
Feb72.4%24.0 min9271,036
Mar78.8%13.0 min1,1091,224
Apr80.8%13.7 min903939
May86.3%0.5 min219219
Jun64.4%49.1 min895929
Jul66.6%48.6 min940998
Aug70.2%25.9 min469488
Sep85.4%8.2 min452452
Oct85.0%7.5 min741741
Nov84.0%16.6 min762828
Dec71.5%28.0 min1,0251,088

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 71.6% 7,167
  • Delayed >15 min 22.9% 2,291
  • Cancelled 5.5% 554
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

38
38 of 38
Flight numbersBy direction DeparturesOn time
OO5766 ASE → DEN 603 83.7%
OO5769 DEN → ASE 601 77.4%
OO5771 DEN → ASE 601 75.1%
OO5779 DEN → ASE 600 71.0%
OO5774 ASE → DEN 599 74.3%
OO5775 DEN → ASE 598 70.6%
OO5776 ASE → DEN 598 61.4%
OO5778 ASE → DEN 596 74.2%
OO5773 DEN → ASE 570 78.0%
OO5782 DEN → ASE 565 84.9%
OO5772 ASE → DEN 552 76.0%
OO5781 DEN → ASE 546 76.8%
OO5770 ASE → DEN 478 81.4%
OO5444 DEN → ASE 320 83.4%
OO4744 ASE → DEN 263 74.1%
OO5417 ASE → DEN 167 65.6%
OO5919 ASE → DEN 161 74.7%
OO5697 DEN → ASE 113 67.0%
OO5941 ASE → DEN 105 82.0%
OO5933 ASE → DEN 78 64.5%
OO6011 ASE → DEN 77 68.3%
OO4666 ASE → DEN 71 79.1%
OO4687 ASE → DEN 71 91.6%
OO5806 ASE → DEN 68 76.5%
OO5455 DEN → ASE 58 61.5%
OO5368 DEN → ASE 56 83.9%
OO4700 DEN → ASE 53 92.5%
OO6015 ASE → DEN 49 72.3%
OO5615 ASE → DEN 48 88.9%
OO5680 DEN → ASE 45 61.0%
OO5806 DEN → ASE 45 73.7%
OO5257 ASE → DEN 44 95.1%
OO4647 ASE → DEN 37 88.6%
OO5251 ASE → DEN 37 91.9%
OO5214 DEN → ASE 36 79.4%
OO5607 ASE → DEN 36 62.9%
OO5768 ASE → DEN 36 76.5%
OO6045 ASE → DEN 34 81.3%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 482 +5.2% 26 69.7%
June 2026 446 −0.7% 18 70.4%
May 2026 152 +126.9% 0 87.5%
April 2026 427 −10.3% 12 85.2%
March 2026 557 +0.9% 63 84.4%
February 2026 451 −5.3% 57 73.6%
January 2026 462 −16.6% 38 79.4%
December 2025 511 −0.6% 28 67.9%
November 2025 343 −18.1% 15 90.4%
October 2025 421 +31.6% 0 82.9%
September 2025 452 0 85.4%
August 2025 469 19 70.1%
July 2025 458 32 63.3%
June 2025 449 16 58.4%
May 2025 67 0 83.6%
April 2025 476 24 76.9%
March 2025 552 52 73.2%
February 2025 476 52 71.2%
January 2025 554 16 75.1%
December 2024 514 35 75.1%
November 2024 419 51 78.8%
October 2024 320 0 87.8%

How to read this chart

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