Best Time to Fly ATL to JAC: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Jackson Hole
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.5% of Atlanta (ATL) to Jackson (JAC) flights arrived on time (209 scheduled flights). That is 4.1 points below the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
September has been the best month (85% on time) and Sunday the weakest day of the week (60%).
2.4% of flights were cancelled, versus 1.8% nationally.
ATL to JAC 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 |
|---|---|---|---|---|
| Delta Air Lines | 73.5% | 44 min | 2.4% | 209 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to JAC
On-time arrival % by scheduled departure hour (local time), 419 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 11am–12pm | 77.7% | 4.0% | 176 |
| 6pm–7pm | 69.4% | 0.4% | 243 |
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 JAC
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 29 | ||
| Summer peak (Jun 15 - Aug 15) | 60.2% | -18.4 pts | 0.8% | 124 |
| All other days | 78.6% | — | 2.6% | 266 |
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).