About 1 in 3 B6 143 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (29%); 4.0% were cancelled. The typical flight landed 6 minutes early.
B6 143: EWR → PBI
Scheduled to leave Newark at 6:00 a.m. local time. Over the past year it arrived on time 71% of the time (275 flights), worse than other B6 flights on the route at that hour (83%). Last seen in the data Jul 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 41 | 73% |
| Tuesday | 41 | 76% |
| Wednesday | 37 | 81% |
| Thursday | 38 | 71% |
| Friday | 39 | 72% |
| Saturday | 39 | 62% |
| Sunday | 40 | 65% |
Why it was late
All flights EWR → PBI · Connecting off B6 143? Check the risk
Questions
How often is B6 143 from EWR to PBI late?
JetBlue 143 from Newark, NJ to West Palm Beach/Palm Beach, FL arrived 15 or more minutes late, was diverted or was cancelled on 29% of 275 scheduled flights between September 2025 and August 2026. 4.0% 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.