70% of SJU → EWR flights arrived on time in June-August 2026 (530 flights). The most reliable was UA 2036, on time 85% of the time on this route. Morning flights did best (80%), afternoon flights worst (58%). SJU (SJU): no delay reported. Newark (EWR): no delay reported.
Best time of day to fly SJU → EWR
| Morning (before noon) | |
| Afternoon (noon-5 PM) | |
| Evening (after 5 PM) |
Flights SJU → EWR, most reliable first
| Flight | Departs | On time on this route | Cancelled |
|---|---|---|---|
| UA 2036 United | 6:45 PM | 1.1% | |
| B6 2890 JetBlue | 6:00 AM | 3.3% | |
| UA 2219 United | 1:00 AM | 1.1% | |
| B6 1390 JetBlue | 4:56 PM | 5.6% | |
| UA 1173 United | 1:25 PM | 4.3% | |
| B6 1990 JetBlue | 7:40 PM | 2.2% |
EWR conditions · EWR → 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.