Best Time to Fly EWR to LAS: On-Time Stats by Hour & Airline
Newark Liberty International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.9% of Newark (EWR) to Las Vegas (LAS) flights arrived on time (2,931 scheduled flights). That is 3.2 points above the national average of 77.6%.
Among 3 airlines, United Airlines led with 81.5% on time and JetBlue was last with 76.5%.
Over 24 months, Tuesday was the most reliable day (84% on time) and July the worst month (72%).
The cancellation rate was 1.8% (US average 1.8%).
EWR to LAS 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 | 81.5% | 70 min | 1.6% | 2,470 |
| Spirit Airlines | 78.9% | 90 min | 2.0% | 150 |
| JetBlue | 76.5% | 75 min | 2.9% | 311 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to LAS
On-time arrival % by scheduled departure hour (local time), 6,138 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 3 | |
| 6am–7am | 90.5% | 1.6% | 931 |
| 7am–8am | 88.3% | 0.6% | 345 |
| 8am–9am | 85.7% | 1.6% | 363 |
| 9am–10am | 83.5% | 0.7% | 294 |
| 10am–11am | 84.5% | 1.1% | 574 |
| 11am–12pm | 81.0% | 0.6% | 330 |
| 12pm–1pm | 76.0% | 1.5% | 339 |
| 1pm–2pm | 79.9% | 0.0% | 229 |
| 2pm–3pm | 78.0% | 0.6% | 338 |
| 3pm–4pm | 82.0% | 1.3% | 79 |
| 4pm–5pm | 74.1% | 1.0% | 516 |
| 5pm–6pm | 70.2% | 2.0% | 559 |
| 6pm–7pm | 74.9% | 4.4% | 342 |
| 7pm–8pm | 71.4% | 2.4% | 532 |
| 8pm–9pm | 63.7% | 2.1% | 287 |
| 9pm–10pm | 60.0% | 1.8% | 56 |
| 10pm–11pm | Limited data | 21 | |
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 LAS
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) | 83.8% | +3.1 pts | 0.0% | 111 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.3% | -2.4 pts | 0.6% | 177 |
| Summer peak (Jun 15 - Aug 15) | 72.1% | -8.6 pts | 2.5% | 942 |
| All other days | 80.7% | — | 1.4% | 4,908 |
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).