Best Time to Fly JFK to BDL: On-Time Stats by Hour & Airline
John F. Kennedy International → Bradley International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 63.2% of New York (JFK) to Hartford (BDL) flights arrived on time (365 scheduled flights). That is 14.5 points below the national average of 77.6%.
JetBlue was the only reporting airline with regular flights on this route.
April has been the best month (90% on time) and Saturday the weakest day of the week (49%).
3.3% of flights were cancelled, versus 1.8% nationally.
JFK to BDL 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 | 63.2% | 63 min | 3.3% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JFK to BDL
On-time arrival % by scheduled departure hour (local time), 458 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8pm–9pm | Limited data | 12 | |
| 9pm–10pm | 66.7% | 1.6% | 125 |
| 10pm–11pm | 59.2% | 3.4% | 320 |
| 11pm–12am | 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 JFK to BDL
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) | Limited data | 7 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 15 | ||
| Summer peak (Jun 15 - Aug 15) | 44.1% | -23.6 pts | 6.4% | 109 |
| All other days | 67.7% | — | 1.5% | 327 |
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).