Best Time to Fly ATL to ASE: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Aspen Pitkin County Sardy Field
Data through July 2026 · Last updated October 18, 2026
450 flights were scheduled from Atlanta (ATL) to Aspen (ASE) in the last 12 months, and 72.9% of those that flew arrived on time, 4.8 points below the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (79% on time) and December the worst month (53%).
The cancellation rate was 1.6% (US average 1.8%).
ATL to ASE on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 72.9% | 81 min | 1.6% | 450 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to ASE
On-time arrival % by scheduled departure hour (local time), 901 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 75.2% | 1.1% | 527 |
| 10am–11am | 72.6% | 0.7% | 145 |
| 11am–12pm | Limited data | 16 | |
| 12pm–1pm | 64.5% | 2.4% | 212 |
| 5pm–6pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to ASE
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 37.7% | -35.4 pts | 0.0% | 59 |
| Summer peak (Jun 15 - Aug 15) | 79.5% | +6.3 pts | 0.0% | 124 |
| All other days | 73.2% | — | 1.6% | 704 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).