Route on-time record
ASE to LAX: most on-time flights and the best time to fly
Aspen (Aspen-Pitkin County Airport (Sardy Field)) to Los Angeles (Los Angeles International Airport). 1,272 nonstop flights in Jun 2025 to May 2026, 72% arrived within 15 minutes and 6.4% were cancelled. The most reliable flight number was SkyWest 5851 at 10:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
ASE → LAX
Aspen to Los Angeles: 1,272 nonstop flights a year
On time (12 months)
72%
Cancelled
6.4%
avg delay 34 min
Best time to leave
3 to 6 PM
81% on time vs 63% 6 to 9 PM
Most reliable airline
SkyWest
68% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · SkyWest 5851 · sold as United Express, Delta Connection, American Eagle or Alaska
10:00 AM → 11:34 AM2h 39m nonstop
Local times, typical schedule. Last flown 2026-04-22.
77%
chance on time
- On time (history)
- 80%
- Cancelled
- 2.1%
- Avg arrival delay
- 20 min
- Arrived on time 80% of the time (228 flights, Jun 2025 to May 2026).
- Departs inside ASE's trouble window: 85% of its 46 ground stops and delay programs started between 6 AM and noon.
Strong track record · 228 flights
Find 10:00 AM flight fares Opens this date on Aviasales#2 · SkyWest 5635 · sold as United Express, Delta Connection, American Eagle or Alaska
3:40 PM → 5:14 PM2h 34m nonstop
Local times, typical schedule. Last flown 2026-04-11.
73%
chance on time
- On time (history)
- 78%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 78% of the time (9 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (3 to 6 PM: 81% on time; 6 to 9 PM: 63%).
- Departs outside ASE's trouble window (6 AM to noon, when 85% of its 46 ground stops and delay programs started).
- Lands inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
Limited track record · 9 flights
Find 3:40 PM flight fares Opens this date on Aviasales#3 · SkyWest 5368 · sold as United Express, Delta Connection, American Eagle or Alaska
3:25 PM → 5:04 PM2h 39m nonstop
Local times, typical schedule. Last flown 2026-03-28.
71%
chance on time
- On time (history)
- 78%
- Cancelled
- 14.3%
- Avg arrival delay
- 12 min
- Arrived on time 78% of the time (18 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (3 to 6 PM: 81% on time; 6 to 9 PM: 63%).
- Departs outside ASE's trouble window (6 AM to noon, when 85% of its 46 ground stops and delay programs started).
- Lands inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
Limited track record · 18 flights
Find 3:25 PM flight fares Opens this date on Aviasales#4 · SkyWest 5422 · sold as United Express, Delta Connection, American Eagle or Alaska
1:51 PM → 3:30 PM2h 39m nonstop
Local times, typical schedule. Last flown 2026-03-28.
67%
chance on time
- On time (history)
- 72%
- Cancelled
- 7.3%
- Avg arrival delay
- 46 min
- Arrived on time 72% of the time (76 flights, Jun 2025 to May 2026).
- Cancelled 7.3% of the time (6 of 82).
- Departs outside ASE's trouble window (6 AM to noon, when 85% of its 46 ground stops and delay programs started).
Moderate track record · 76 flights
Find 1:51 PM flight fares Opens this date on Aviasales#5 · SkyWest 4133 · sold as United Express, Delta Connection, American Eagle or Alaska
12:20 PM → 1:52 PM2h 32m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 6402; its record covers all of them.
66%
chance on time
- On time (history)
- 71%
- Cancelled
- 6.8%
- Avg arrival delay
- 30 min
- Arrived on time 71% of the time (396 flights, Jun 2025 to May 2026).
- Cancelled 6.8% of the time (29 of 425).
- Departs outside ASE's trouble window (6 AM to noon, when 85% of its 46 ground stops and delay programs started).
Strong track record · 396 flights
Find 12:20 PM flight fares Opens this date on Aviasales#6 · SkyWest 6519 · sold as United Express, Delta Connection, American Eagle or Alaska
7:24 PM → 8:57 PM2h 33m nonstop
Local times, typical schedule. Last flown 2026-04-06.
65%
chance on time
- On time (history)
- 74%
- Cancelled
- 12.6%
- Avg arrival delay
- 64 min
- Arrived on time 74% of the time (76 flights, Jun 2025 to May 2026).
- Cancelled 12.6% of the time (11 of 87).
- Leaves in this route's least on-time window (6 to 9 PM: 63% on time; 3 to 6 PM: 81%).
- Departs outside ASE's trouble window (6 AM to noon, when 85% of its 46 ground stops and delay programs started).
Moderate track record · 76 flights
Find 7:24 PM flight fares Opens this date on Aviasales#7 · SkyWest 5940 · sold as United Express, Delta Connection, American Eagle or Alaska
6:39 PM → 8:18 PM2h 39m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 5735; its record covers all of them.
62%
chance on time
- On time (history)
- 64%
- Cancelled
- 4.3%
- Avg arrival delay
- 31 min
- Arrived on time 64% of the time (109 flights, Jun 2025 to May 2026).
- Cancelled 4.3% of the time (5 of 115).
- Leaves in this route's least on-time window (6 to 9 PM: 63% on time; 3 to 6 PM: 81%).
- Departs outside ASE's trouble window (6 AM to noon, when 85% of its 46 ground stops and delay programs started).
Moderate track record · 109 flights
Find 6:39 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)68%
1,272 flights · 72% on time as flown · 6.4% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM79%
116 flights · avg delay 19 min
- 9 AM to noon79%
136 flights · avg delay 22 min
- Noon to 3 PM71%
579 flights · avg delay 35 min
- 3 to 6 PM81%
171 flights · avg delay 18 min
- 6 to 9 PM63%
270 flights · avg delay 58 min
Best day: Tuesday (81%). Worst: Saturday (66%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Severe weather38%
- Airline (crew, maintenance, boarding)29%
- Air traffic control and airport volume21%
- Late-arriving aircraft12%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
ASE to LAX questions
- What time of day is best to fly ASE to LAX?
- 3 to 6 PM: 81% of flights arrived on time, against 63% for departures 6 to 9 PM.
- Which airline is most on time from ASE to LAX?
- SkyWest, with a season-adjusted 68% chance of operating and arriving on time over 1,272 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on ASE to LAX?
- December (62% on time); the best was November (86%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from ASE
- LAX to ASE (return)
- ASE to DEN 74%
- ASE to DFW 64%
- ASE to ORD 61%
- ASE to IAH 72%
- ASE to ATL 74%
- ASE to SFO 69%
Live status: FAA delays and ground stops