Flight OddsB6634 SJU → BUF
JetBlue Airways · San Juan, PR to Buffalo, NY · 55 flights observed, 2026-03-27 to 2026-06-29 · 1,845 mi
B6634 covers more than one route in the data window — the stats below are for SJU → BUF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-21 min
90th percentile
+27 min
Cancellation rate
0%
How often is B6634 on time?
Across 55 flights on SJU → BUF from 2026-03-27 to 2026-06-29, B6634 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -21 min, and the worst 10% of flights arrived +27 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 48 | 87% |
| 16-30 min | 1 | 2% |
| 31-60 min | 4 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 100% | -21 min |
| 2026-04 | 17 | 88% | -16 min |
| 2026-05 | 18 | 89% | -10 min |
| 2026-06 | 17 | 82% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 86% |
| Tue | No data | — |
| Wed | 13 | 92% |
| Thu | No data | — |
| Fri | 14 | 86% |
| Sat | 14 | 86% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…