Best Time to Fly EWR to JAC: On-Time Stats by Hour & Airline
Newark Liberty International → Jackson Hole
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.4% of Newark (EWR) to Jackson (JAC) flights arrived on time (289 scheduled flights). That is 5.2 points below the national average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
January has been the best month (81% on time) and Sunday the weakest day of the week (64%).
5.9% of flights were cancelled, versus 1.8% nationally.
EWR 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 |
|---|---|---|---|---|
| United Airlines | 72.4% | 63 min | 5.9% | 289 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to JAC
On-time arrival % by scheduled departure hour (local time), 571 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 17 | |
| 9am–10am | 74.3% | 1.4% | 74 |
| 10am–11am | 73.5% | 2.5% | 119 |
| 4pm–5pm | 77.8% | 5.3% | 38 |
| 5pm–6pm | 70.6% | 6.7% | 150 |
| 6pm–7pm | 68.8% | 6.9% | 173 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EWR 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) | 57.9% | -17.4 pts | 1.7% | 60 |
| Summer peak (Jun 15 - Aug 15) | 65.7% | -9.5 pts | 11.3% | 124 |
| All other days | 75.3% | — | 3.4% | 387 |
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).