About 1 in 4 B6 404 flights from San Juan arrived 15+ minutes late, diverted or cancelled over the past year (27%); 0.0% were cancelled. The typical flight landed 6 minutes early.
B6 404: SJU → RDU
Scheduled to leave San Juan at 3:22 p.m. local time. Over the past year it arrived on time 73% of the time (135 flights), better than other B6 flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 23 | 70% |
| Tuesday | 15 | — |
| Wednesday | 14 | — |
| Thursday | 23 | 74% |
| Friday | 23 | 74% |
| Saturday | 15 | — |
| Sunday | 22 | 77% |
Why it was late
All flights SJU → RDU · Connecting off B6 404? Check the risk
Questions
How often is B6 404 from SJU to RDU late?
JetBlue 404 from San Juan, PR to Raleigh/Durham, NC arrived 15 or more minutes late, was diverted or was cancelled on 27% of 135 scheduled flights between September 2025 and August 2026. 0.0% 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.