Flight OddsBOS → SJU Spirit Airlines
Spirit Airlines · Boston, MA to San Juan, PR · 155 flights, 2025-07-03 to 2026-04-28 · aggregated across 6 flight numbers
On-time arrival
56%
Median delay
+10 min
90th percentile
+133 min
Cancellation rate
8%
How on-time is Spirit Airlines from BOS to SJU?
Across every Spirit Airlines flight number on BOS → SJU (155 flights, 2025-07-03 to 2026-04-28), 56% arrived within 15 minutes of schedule. Median arrival delay +10 min; the worst 10% ran +133 min or later. 8% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 80 | 56% |
| 16-30 min | 16 | 11% |
| 31-60 min | 18 | 13% |
| 61-120 min | 11 | 8% |
| 2+ hrs | 18 | 13% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 9 | 78% | +9 min |
| 2025-08 | 3 | 67% | +16 min |
| 2025-12 | 14 | 36% | +37 min |
| 2026-01 | 21 | 67% | +23 min |
| 2026-02 | 32 | 47% | +96 min |
| 2026-03 | 37 | 54% | +26 min |
| 2026-04 | 27 | 63% | +33 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 35% |
| Tue | 18 | 56% |
| Wed | 18 | 50% |
| Thu | 26 | 77% |
| Fri | 20 | 50% |
| Sat | 19 | 42% |
| Sun | 25 | 68% |
NK flight numbers on BOS → SJU
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…