Best Time to Fly LAX to JFK: On-Time Stats by Hour & Airline
Los Angeles International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
10,284 flights were scheduled from Los Angeles (LAX) to New York (JFK) in the last 12 months, and 79.0% of those that flew arrived on time, 1.4 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 4 airlines on the route at 81.1%, while American Airlines trailed at 76.3%.
September has been the best month (87% on time) and Sunday the weakest day of the week (78%).
2.5% of flights were cancelled, versus 1.8% nationally.
LAX 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 | 81.1% | 91 min | 2.2% | 3,364 |
| JetBlue | 79.5% | 69 min | 2.9% | 3,477 |
| Frontier Airlines | 79.3% | 74 min | 0.6% | 171 |
| American Airlines | 76.3% | 116 min | 2.5% | 3,272 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAX to JFK
On-time arrival % by scheduled departure hour (local time), 20,465 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 79.1% | 4.1% | 97 |
| 5am–6am | 92.6% | 0.8% | 123 |
| 6am–7am | 89.2% | 2.0% | 1,988 |
| 7am–8am | 89.0% | 1.4% | 2,000 |
| 8am–9am | 82.2% | 1.9% | 1,098 |
| 9am–10am | 81.8% | 1.4% | 1,046 |
| 10am–11am | 76.7% | 1.4% | 1,631 |
| 11am–12pm | 73.8% | 1.6% | 1,588 |
| 12pm–1pm | 73.0% | 1.3% | 1,430 |
| 1pm–2pm | 71.8% | 2.4% | 1,319 |
| 2pm–3pm | 77.5% | 1.1% | 817 |
| 3pm–4pm | 79.2% | 1.8% | 1,501 |
| 4pm–5pm | 82.0% | 0.8% | 591 |
| 5pm–6pm | Limited data | 3 | |
| 7pm–8pm | Limited data | 1 | |
| 8pm–9pm | 82.1% | 1.4% | 688 |
| 9pm–10pm | 84.7% | 1.7% | 1,219 |
| 10pm–11pm | 84.9% | 1.8% | 1,700 |
| 11pm–12am | 82.4% | 1.1% | 1,625 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAX 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) | 88.1% | +5.2 pts | 0.8% | 383 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.2% | -2.7 pts | 2.0% | 804 |
| Summer peak (Jun 15 - Aug 15) | 72.7% | -10.2 pts | 3.4% | 3,624 |
| All other days | 82.9% | — | 1.2% | 15,654 |
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).