Flight OddsNK3907 SJU → BOS
Spirit Airlines · San Juan, PR to Boston, MA · 17 flights observed, 2026-02-23 to 2026-03-11 · 1,674 mi
On-time arrival
69%
Median delay
+5 min
90th percentile
+54 min
Cancellation rate
6%
How often is NK3907 on time?
Across 17 flights on SJU → BOS from 2026-02-23 to 2026-03-11, NK3907 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +54 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 11 | 69% |
| 16-30 min | 2 | 13% |
| 31-60 min | 1 | 6% |
| 61-120 min | 2 | 13% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 5 | 40% | +13 min |
| 2026-03 | 11 | 82% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 3 | 33% |
| Wed | 3 | 67% |
| Thu | 2 | 100% |
| Fri | 2 | 100% |
| Sat | 2 | 50% |
| Sun | 2 | 100% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…