Flight OddsNK891 SJU → BOS
Spirit Airlines · San Juan, PR to Boston, MA · 13 flights observed, 2026-04-16 to 2026-04-28 · 1,674 mi
NK891 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
69%
Median delay
+2 min
90th percentile
+55 min
Cancellation rate
0%
How often is NK891 on time?
Across 13 flights on SJU → BOS from 2026-04-16 to 2026-04-28, NK891 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +55 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 | 9 | 69% |
| 16-30 min | 1 | 8% |
| 31-60 min | 1 | 8% |
| 61-120 min | 2 | 15% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 13 | 69% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | 2 | 50% |
| Wed | 1 | 100% |
| Thu | 2 | 0% |
| Fri | 2 | 100% |
| Sat | 2 | 100% |
| Sun | 2 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…