About 1 in 3 B6 1903 flights from Raleigh arrived 15+ minutes late, diverted or cancelled over the past year (31%); 2.2% were cancelled. The typical flight landed 4 minutes early.
B6 1903: RDU → SJU
Scheduled to leave Raleigh at 7:56 p.m. local time. Over the past year it arrived on time 69% of the time (135 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 | 23 | 74% |
| Tuesday | 15 | — |
| Wednesday | 14 | — |
| Thursday | 23 | 61% |
| Friday | 23 | 74% |
| Saturday | 15 | — |
| Sunday | 22 | 64% |
Why it was late
All flights RDU → SJU · Connecting off B6 1903? Check the risk
Questions
How often is B6 1903 from RDU to SJU late?
JetBlue 1903 from Raleigh/Durham, NC to San Juan, PR arrived 15 or more minutes late, was diverted or was cancelled on 31% of 135 scheduled flights between September 2025 and August 2026. 2.2% 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.