Flight OddsNK3012 SJU → BOS
Spirit Airlines · San Juan, PR to Boston, MA · 91 flights observed, 2026-01-08 to 2026-04-14 · 1,674 mi
NK3012 covers more than one route in the data window — the stats below are for SJU → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-11 min
90th percentile
+32 min
Cancellation rate
3%
How often is NK3012 on time?
Across 91 flights on SJU → BOS from 2026-01-08 to 2026-04-14, NK3012 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +32 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 | 73 | 83% |
| 16-30 min | 4 | 5% |
| 31-60 min | 4 | 5% |
| 61-120 min | 6 | 7% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 17 | 100% | -20 min |
| 2026-02 | 27 | 70% | +9 min |
| 2026-03 | 30 | 87% | -3 min |
| 2026-04 | 14 | 79% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 92% |
| Tue | 11 | 82% |
| Wed | 10 | 70% |
| Thu | 14 | 79% |
| Fri | 14 | 79% |
| Sat | 14 | 79% |
| Sun | 12 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…