Best Time to Fly JAC to SLC: On-Time Stats by Hour & Airline
Jackson Hole → Salt Lake City International
Data through July 2026 · Last updated October 18, 2026
1,217 flights were scheduled from Jackson (JAC) to Salt Lake City (SLC) in the last 12 months, and 87.4% of those that flew arrived on time, 9.8 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 88.7%, while SkyWest Airlines trailed at 85.4%.
May has been the best month (94% on time) and Sunday the weakest day of the week (83%).
1.0% of flights were cancelled, versus 1.8% nationally.
JAC to SLC 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 | 88.7% | 97 min | 0.8% | 724 |
| SkyWest Airlines | 85.4% | 79 min | 1.2% | 493 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JAC to SLC
On-time arrival % by scheduled departure hour (local time), 2,323 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 13 | |
| 7am–8am | 84.0% | 0.6% | 716 |
| 11am–12pm | 95.7% | 0.0% | 234 |
| 12pm–1pm | 84.8% | 3.2% | 95 |
| 1pm–2pm | 85.4% | 0.3% | 612 |
| 3pm–4pm | Limited data | 1 | |
| 5pm–6pm | 85.5% | 1.9% | 429 |
| 6pm–7pm | 85.6% | 0.0% | 223 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JAC to SLC
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) | 80.0% | -5.8 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.8% | -7.0 pts | 2.4% | 82 |
| Summer peak (Jun 15 - Aug 15) | 88.7% | +2.9 pts | 0.2% | 478 |
| All other days | 85.8% | — | 0.8% | 1,723 |
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).