About 1 in 4 B6 1889 flights from Newark arrived 15+ minutes late, diverted or cancelled over the past year (25%); 1.1% were cancelled. The typical flight landed 7 minutes early.
B6 1889: EWR → SJU
Scheduled to leave Newark at 6:15 a.m. local time. Over the past year it arrived on time 75% of the time (177 flights), better than other B6 flights on the route at that hour (66%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 69% |
| Tuesday | 24 | 67% |
| Wednesday | 24 | 92% |
| Thursday | 26 | 73% |
| Friday | 26 | 77% |
| Saturday | 26 | 77% |
| Sunday | 25 | 72% |
Why it was late
All flights EWR → SJU · Connecting off B6 1889? Check the risk
Questions
How often is B6 1889 from EWR to SJU late?
JetBlue 1889 from Newark, NJ to San Juan, PR arrived 15 or more minutes late, was diverted or was cancelled on 25% of 177 scheduled flights between September 2025 and August 2026. 1.1% 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.