Best Time to Fly SLC to JAC: On-Time Stats by Hour & Airline
Salt Lake City International → Jackson Hole
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 87.5% of Salt Lake City (SLC) to Jackson (JAC) flights arrived on time (1,219 scheduled flights). That is 9.9 points above the national average of 77.6%.
Delta Air Lines was the most punctual of the 2 airlines on the route at 87.6%, while SkyWest Airlines trailed at 87.4%.
June has been the best month (91% on time) and Saturday the weakest day of the week (83%).
0.8% of flights were cancelled, versus 1.8% nationally.
SLC 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 | 87.6% | 66 min | 0.6% | 724 |
| SkyWest Airlines | 87.4% | 76 min | 1.2% | 495 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to JAC
On-time arrival % by scheduled departure hour (local time), 2,326 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 93.6% | 0.0% | 234 |
| 10am–11am | 86.0% | 3.1% | 97 |
| 11am–12pm | 85.6% | 0.2% | 611 |
| 1pm–2pm | Limited data | 11 | |
| 3pm–4pm | 85.0% | 1.3% | 526 |
| 5pm–6pm | 87.2% | 0.7% | 416 |
| 6pm–7pm | 74.5% | 0.0% | 51 |
| 7pm–8pm | 83.9% | 0.0% | 112 |
| 8pm–9pm | 87.1% | 0.0% | 268 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SLC to JAC
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) | 81.6% | -4.9 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.2% | -5.3 pts | 1.2% | 82 |
| Summer peak (Jun 15 - Aug 15) | 87.2% | +0.7 pts | 0.0% | 478 |
| All other days | 86.5% | — | 0.8% | 1,726 |
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).