Best Time to Fly ATL to JFK: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
4,241 flights were scheduled from Atlanta (ATL) to New York (JFK) in the last 12 months, and 75.4% of those that flew arrived on time, 2.3 points below the US average of 77.6%.
Among 3 airlines, Delta Air Lines led with 79.4% on time and Frontier Airlines was last with 69.0%.
Over 24 months, Wednesday was the most reliable day (80% on time) and July the worst month (61%).
The cancellation rate was 2.6% (US average 1.8%).
ATL 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 | 79.4% | 74 min | 1.6% | 2,446 |
| JetBlue | 70.2% | 92 min | 5.0% | 1,092 |
| Frontier Airlines | 69.0% | 80 min | 2.1% | 703 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to JFK
On-time arrival % by scheduled departure hour (local time), 8,274 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 80.0% | 0.8% | 263 |
| 6am–7am | 80.8% | 3.0% | 472 |
| 7am–8am | 86.0% | 1.1% | 1,042 |
| 8am–9am | 93.2% | 0.4% | 279 |
| 9am–10am | 80.7% | 1.5% | 873 |
| 10am–11am | 78.8% | 2.3% | 391 |
| 11am–12pm | 77.8% | 0.8% | 385 |
| 12pm–1pm | 76.7% | 1.9% | 635 |
| 1pm–2pm | 79.1% | 1.9% | 205 |
| 2pm–3pm | 59.5% | 8.7% | 46 |
| 3pm–4pm | 74.3% | 2.7% | 551 |
| 4pm–5pm | 66.5% | 1.3% | 536 |
| 5pm–6pm | 63.8% | 4.4% | 319 |
| 6pm–7pm | 69.4% | 2.7% | 401 |
| 7pm–8pm | 64.4% | 2.6% | 612 |
| 8pm–9pm | 51.0% | 2.7% | 219 |
| 9pm–10pm | 72.4% | 0.9% | 217 |
| 10pm–11pm | 62.2% | 2.5% | 828 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL 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) | 74.6% | -2.5 pts | 1.6% | 188 |
| Christmas & New Year (Dec 20 - Jan 3) | 62.5% | -14.6 pts | 2.7% | 333 |
| Summer peak (Jun 15 - Aug 15) | 65.2% | -11.9 pts | 4.2% | 1,403 |
| All other days | 77.1% | — | 1.5% | 6,350 |
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).