73% of SJU → RDU flights arrived on time in June-August 2026 (129 flights). The most reliable was F9 1225, on time 75% of the time on this route. SJU (SJU): no delay reported. Raleigh-Durham (RDU): no delay reported.
Best time of day to fly SJU → RDU
| Afternoon (noon-5 PM) |
Flights SJU → RDU, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| F9 1225 Frontier | 3:36 PM | 0% | |
| B6 404 JetBlue | 3:22 PM | 0% |
RDU conditions · RDU → SJU · Cancellations
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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.