Best Time to Fly JAC to EWR: On-Time Stats by Hour & Airline
Jackson Hole → Newark Liberty International
Data through July 2026 · Last updated October 18, 2026
288 flights were scheduled from Jackson (JAC) to Newark (EWR) in the last 12 months, and 72.8% of those that flew arrived on time, 4.8 points below the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
June has been the best month (88% on time) and Saturday the weakest day of the week (62%).
6.6% of flights were cancelled, versus 1.8% nationally.
JAC to EWR 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 | 72.8% | 76 min | 6.6% | 288 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JAC to EWR
On-time arrival % by scheduled departure hour (local time), 570 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 77.2% | 8.3% | 252 |
| 8am–9am | 81.2% | 5.6% | 108 |
| 12pm–1pm | Limited data | 17 | |
| 1pm–2pm | 65.8% | 0.0% | 39 |
| 2pm–3pm | 59.0% | 5.2% | 154 |
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 EWR
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) | 48.3% | -24.5 pts | 3.3% | 60 |
| Summer peak (Jun 15 - Aug 15) | 76.4% | +3.6 pts | 12.1% | 124 |
| All other days | 72.8% | — | 4.7% | 386 |
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).