Best Time to Fly LAS to JFK: On-Time Stats by Hour & Airline
Harry Reid International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.7% of Las Vegas (LAS) to New York (JFK) flights arrived on time (3,709 scheduled flights). That is 4.1 points above the national average of 77.6%.
Among 4 airlines, Delta Air Lines led with 84.7% on time and JetBlue was last with 78.4%.
Over 24 months, Wednesday was the most reliable day (86% on time) and July the worst month (66%).
The cancellation rate was 2.7% (US average 1.8%).
LAS to JFK 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 | 84.7% | 74 min | 2.7% | 1,676 |
| Frontier Airlines | 83.5% | 55 min | 0.6% | 171 |
| American Airlines | 80.2% | 101 min | 2.2% | 490 |
| JetBlue | 78.4% | 93 min | 3.0% | 1,372 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to JFK
On-time arrival % by scheduled departure hour (local time), 7,655 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 90.9% | 1.8% | 338 |
| 7am–8am | 92.3% | 2.4% | 843 |
| 8am–9am | 80.5% | 0.0% | 87 |
| 9am–10am | 81.4% | 1.3% | 843 |
| 10am–11am | 78.6% | 2.3% | 435 |
| 11am–12pm | 78.9% | 1.3% | 1,018 |
| 12pm–1pm | 74.3% | 2.3% | 524 |
| 1pm–2pm | 74.8% | 2.2% | 317 |
| 2pm–3pm | 72.7% | 1.9% | 369 |
| 3pm–4pm | 78.7% | 1.5% | 755 |
| 4pm–5pm | 73.2% | 0.0% | 56 |
| 8pm–9pm | Limited data | 25 | |
| 9pm–10pm | 81.6% | 1.0% | 518 |
| 10pm–11pm | 85.7% | 0.7% | 585 |
| 11pm–12am | 74.6% | 2.4% | 942 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to JFK
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) | 94.5% | +11.9 pts | 0.0% | 127 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.8% | -7.8 pts | 2.7% | 261 |
| Summer peak (Jun 15 - Aug 15) | 70.2% | -12.3 pts | 3.8% | 1,258 |
| All other days | 82.6% | — | 1.2% | 6,009 |
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).