Best Time to Fly ORD to JFK: On-Time Stats by Hour & Airline
Chicago O'Hare International → John F. Kennedy International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.6% of Chicago (ORD) to New York (JFK) flights arrived on time (2,073 scheduled flights). That is 4.1 points below the national average of 77.6%.
JetBlue was the most punctual of the 4 airlines on the route at 81.3%, while Frontier Airlines trailed at 59.8%.
October has been the best month (83% on time) and Sunday the weakest day of the week (70%).
4.6% of flights were cancelled, versus 1.8% nationally.
ORD 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 |
|---|---|---|---|---|
| JetBlue | 81.3% | 94 min | 6.5% | 602 |
| Republic Airways | 76.9% | 76 min | 2.9% | 820 |
| American Airlines | 61.9% | 97 min | 5.2% | 520 |
| Frontier Airlines | 59.8% | 100 min | 4.3% | 117 |
| Delta Air Lines | Limited data | 14 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to JFK
On-time arrival % by scheduled departure hour (local time), 4,333 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 6am–7am | 86.6% | 5.0% | 478 |
| 7am–8am | 83.6% | 1.5% | 595 |
| 8am–9am | 78.7% | 1.6% | 248 |
| 9am–10am | 81.7% | 4.2% | 240 |
| 10am–11am | 77.4% | 1.9% | 426 |
| 11am–12pm | 71.6% | 2.2% | 602 |
| 12pm–1pm | 67.8% | 5.2% | 248 |
| 1pm–2pm | 77.3% | 0.0% | 247 |
| 2pm–3pm | 85.0% | 2.9% | 103 |
| 3pm–4pm | 70.0% | 0.0% | 51 |
| 4pm–5pm | 57.4% | 5.0% | 597 |
| 5pm–6pm | 68.1% | 11.7% | 103 |
| 6pm–7pm | 70.4% | 3.6% | 392 |
| 7pm–8pm | Limited data | 1 | |
| 8pm–9pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD 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) | 60.7% | -16.1 pts | 3.5% | 87 |
| Christmas & New Year (Dec 20 - Jan 3) | 62.9% | -13.9 pts | 2.2% | 179 |
| Summer peak (Jun 15 - Aug 15) | 69.8% | -6.9 pts | 9.0% | 755 |
| All other days | 76.8% | — | 2.0% | 3,312 |
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).