Flight OddsB6661 BOS → SJU
JetBlue Airways · Boston, MA to San Juan, PR · 73 flights observed, 2026-02-12 to 2026-05-18 · 1,674 mi
On-time arrival
79%
Median delay
-3 min
90th percentile
+53 min
Cancellation rate
4%
How often is B6661 on time?
Across 73 flights on BOS → SJU from 2026-02-12 to 2026-05-18, B6661 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +53 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 55 | 79% |
| 16-30 min | 3 | 4% |
| 31-60 min | 6 | 9% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 14 | 79% | +35 min |
| 2026-03 | 30 | 70% | +21 min |
| 2026-04 | 15 | 93% | -10 min |
| 2026-05 | 11 | 82% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 82% |
| Tue | 7 | 86% |
| Wed | 7 | 71% |
| Thu | 12 | 75% |
| Fri | 12 | 92% |
| Sat | 9 | 56% |
| Sun | 12 | 83% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…