About 1 in 3 B6 2143 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (31%); 3.2% were cancelled. The typical flight landed 1 minutes early.
B6 2143: EWR → PBI
Scheduled to leave Newark at 10:30 a.m. local time. Over the past year it arrived on time 69% of the time (279 flights), worse than other B6 flights on the route at that hour (77%). Last seen in the data Jul 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 43 | 63% |
| Tuesday | 35 | 71% |
| Wednesday | 35 | 86% |
| Thursday | 42 | 64% |
| Friday | 42 | 83% |
| Saturday | 40 | 65% |
| Sunday | 42 | 55% |
Why it was late
All flights EWR → PBI · Connecting off B6 2143? Check the risk
Questions
How often is B6 2143 from EWR to PBI late?
JetBlue 2143 from Newark, NJ to West Palm Beach/Palm Beach, FL arrived 15 or more minutes late, was diverted or was cancelled on 31% of 279 scheduled flights between September 2025 and August 2026. 3.2% 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.