About 1 in 3 B6 545 flights from Islip arrived 15+ minutes late, diverted or cancelled over the past year (34%); 2.1% were cancelled. The typical flight landed 2 minutes early.
B6 545: ISP → PBI
Scheduled to leave Islip at 1:55 p.m. local time. Over the past year it arrived on time 66% of the time (326 flights), in line with other B6 flights on the route at that hour (64%). Last seen in the data Jul 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 48 | 71% |
| Tuesday | 46 | 72% |
| Wednesday | 46 | 74% |
| Thursday | 48 | 63% |
| Friday | 48 | 65% |
| Saturday | 43 | 56% |
| Sunday | 47 | 64% |
Why it was late
All flights ISP → PBI · Connecting off B6 545? Check the risk
Questions
How often is B6 545 from ISP to PBI late?
JetBlue 545 from Islip, NY to West Palm Beach/Palm Beach, FL arrived 15 or more minutes late, was diverted or was cancelled on 34% of 326 scheduled flights between September 2025 and August 2026. 2.1% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check JetBlue for today's flight. Method.