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Route · ASE → LAX · 2020–2025 BTS data

Aspen to Los Angeles

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ASE to LAX (Aspen to Los Angeles) ranks #2263 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

75.1%
On-time
-3.9 pts
vs US avg
107 min
Delay when late
5,510
Flights
#2263 of 4927
Corpus placement

Cancelled

6.1%

Best Month

Nov 2025 92%

Worst Month

Dec 2024 61%

Distance

737 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 135 50 7 0 OO
Nov 2025 60 5 2 0 OO
Oct 2025 62 16 0 0 OO
Sep 2025 62 11 0 0 OO
Aug 2025 94 34 4 0 OO
Jul 2025 117 38 5 1 OO
Jun 2025 88 32 6 1 OO
Apr 2025 74 12 4 0 OO
Mar 2025 147 37 14 0 OO
Feb 2025 134 44 9 1 OO
Jan 2025 157 50 9 0 OO
Dec 2024 120 47 10 0 OO
Nov 2024 60 9 8 0 OO
Oct 2024 62 10 1 1 OO
Sep 2024 60 14 1 1 OO
Aug 2024 85 23 0 0 OO
Jul 2024 124 25 2 1 OO
Jun 2024 116 19 8 0 OO
Apr 2024 56 11 4 1 OO
Mar 2024 151 48 18 0 OO
Feb 2024 143 48 12 0 OO
Jan 2024 163 37 16 0 OO
Dec 2023 99 30 3 0 OO
Nov 2023 30 5 3 0 OO

ASE–LAX seasonal on-time pattern

Best: November (87.2%) · weakest: December (62.4%)

60%70%80%90% JanFebMarAprJunJulAugSepOctNovDec 62.4%

Strongest calendar month

November

87.2% on-time · ~45 flights/mo

Busiest calendar month

January

~149 flights/mo avg

Weakest calendar month

December

62.4% on-time · ~113 flights/mo

Cancellation Rate

6.1%

146 of 2,399 flights

Diversion Rate

0.3%

7 of 2,399 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

ASE - Aspen

Full on-time, delay-cause, and seasonal performance for Aspen, CO.

ASE on-time profile

LAX - Los Angeles

Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.

LAX on-time profile

Compare the two airports

See ASE and LAX side by side on delays, cancellations, and reliability.

Compare ASE vs LAX

Origin-hub reliability standing

Mid-pack among ASE departures

From ASE, this corridor sits with 1 other 75–85% on-time routes out of 7 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 6 below 75%). Destination: Los Angeles · fleet on-time rank #4443 of 4927.

What the Data Says About ASE to LAX

The Aspen to Los Angeles corridor (ASE to LAX) posts a 75.1% on-time rate on the lower edge of the average band, based on 5,510 tracked flights. Late flights run 107.2 minutes behind on average. 1 carrier cover the 737-mile route; over the last 24 months, 146 of 2,399 flights were cancelled (6.1%) and 0.3% diverted.

The monthly split is wide on this route: Nov 2025 posted the strongest performance at 92% on-time, while Dec 2024 came in at just 61% - a 31-point swing worth factoring into travel timing.

On the multi-year calendar, ASE–LAX peaks in November at 87.2% on-time while January carries the heaviest traffic (~149 flights per month) ; the softest month is December at 62.4%, a 24.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ASE to LAX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ASE to LAX ranks #2263 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from ASE to LAX? ▼
Flights from Aspen to Los Angeles have a 75.1% on-time rate based on 5,510 flights. The average delay is 107.2 minutes. The best recent month was Nov 2025 with 92% on-time.
What is the cancellation rate for ASE to LAX? ▼
Over the last 24 months, 6.1% of flights on this route were cancelled (146 of 2,399 flights) and 0.3% were diverted.
How far is the flight from ASE to LAX? ▼
The flight distance from Aspen (ASE) to Los Angeles (LAX) is approximately 737 miles. This route is served by 1 carrier.
When is the best time to fly from ASE to LAX? ▼
The best recent month for on-time performance was Nov 2025 (92% on-time). The worst was Dec 2024 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

ASE Airport

Aspen
LAX Airport

Los Angeles
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using ASE–LAX data

ASE–LAX is mid-pack at 75.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare ASE and LAX airport profiles: delay causes and top routes differ even on the same corridor. ASE airport
  • If your dates flex, November (87.2% on-time) beats December (62.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 75.1% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.