Flight OddsSJU → BOS Frontier Airlines
Frontier Airlines · San Juan, PR to Boston, MA · 34 flights, 2025-12-18 to 2026-04-12 · aggregated across 1 flight number
On-time arrival
70%
Median delay
+1 min
90th percentile
+39 min
Cancellation rate
3%
How on-time is Frontier Airlines from SJU to BOS?
Across every Frontier Airlines flight number on SJU → BOS (34 flights, 2025-12-18 to 2026-04-12), 70% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +39 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 23 | 70% |
| 16-30 min | 5 | 15% |
| 31-60 min | 3 | 9% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 6 | 67% | +13 min |
| 2026-01 | 5 | 40% | +15 min |
| 2026-02 | 12 | 83% | -5 min |
| 2026-03 | 3 | 100% | -14 min |
| 2026-04 | 7 | 57% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 4 | 50% |
| Wed | No data | — |
| Thu | 10 | 70% |
| Fri | 3 | 67% |
| Sat | 5 | 40% |
| Sun | 9 | 89% |
F9 flight numbers on SJU → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…