Flight OddsNK3908 BOS → SJU
Spirit Airlines · Boston, MA to San Juan, PR · 17 flights observed, 2026-02-23 to 2026-03-11 · 1,674 mi
On-time arrival
40%
Median delay
+24 min
90th percentile
+108 min
Cancellation rate
12%
How often is NK3908 on time?
Across 17 flights on BOS → SJU from 2026-02-23 to 2026-03-11, NK3908 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +24 min, and the worst 10% of flights arrived +108 min or later. 12% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 6 | 40% |
| 16-30 min | 2 | 13% |
| 31-60 min | 3 | 20% |
| 61-120 min | 2 | 13% |
| 2+ hrs | 2 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 5 | 20% | +142 min |
| 2026-03 | 10 | 50% | +33 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 0% |
| Tue | 3 | 33% |
| Wed | 3 | 67% |
| Thu | 2 | 50% |
| Fri | 2 | 50% |
| Sat | 2 | 0% |
| Sun | 2 | 50% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…