Flight OddsB6561 BOS → SJU
JetBlue Airways · Boston, MA to San Juan, PR · 274 flights observed, 2025-07-01 to 2026-06-30 · 1,674 mi
On-time arrival
55%
Median delay
+11 min
90th percentile
+98 min
Cancellation rate
3%
How often is B6561 on time?
Across 274 flights on BOS → SJU from 2025-07-01 to 2026-06-30, B6561 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +98 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 146 | 55% |
| 16-30 min | 26 | 10% |
| 31-60 min | 46 | 17% |
| 61-120 min | 31 | 12% |
| 2+ hrs | 18 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 66% | +22 min |
| 2025-08 | 31 | 52% | +25 min |
| 2025-09 | 2 | 100% | +1 min |
| 2025-10 | 5 | 40% | +77 min |
| 2025-11 | 21 | 57% | +36 min |
| 2025-12 | 29 | 48% | +29 min |
| 2026-01 | 26 | 50% | +33 min |
| 2026-02 | 24 | 46% | +54 min |
| 2026-03 | 30 | 60% | +18 min |
| 2026-04 | 28 | 50% | +20 min |
| 2026-05 | 22 | 77% | +11 min |
| 2026-06 | 20 | 40% | +40 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 42 | 55% |
| Tue | 37 | 59% |
| Wed | 36 | 61% |
| Thu | 41 | 54% |
| Fri | 41 | 56% |
| Sat | 30 | 60% |
| Sun | 40 | 40% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…