Flight OddsSpirit Airlines · Boston, MA to Fort Lauderdale, FL · 21 flights observed, 2025-12-18 to 2026-01-07 · 1,237 mi
NK3901 covers more than one route in the data window — the stats below are for BOS → FLL, the one it has flown most recently. The others are linked under “Other routes”.
How often is NK3901 on time?
Across 21 flights on BOS → FLL from 2025-12-18 to 2026-01-07, NK3901 arrived within 15 minutes of schedule 29% of the time. The median arrival delay was +23 min, and the worst 10% of flights arrived +96 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 | 6 | 29% |
| 16-30 min | 6 | 29% |
| 31-60 min | 2 | 10% |
| 61-120 min | 5 | 24% |
| 2+ hrs | 2 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 21% | +53 min |
| 2026-01 | 7 | 43% | +33 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | 3 | 0% |
| Wed | 3 | 67% |
| Thu | 3 | 67% |
| Fri | 3 | 0% |
| Sat | 3 | 33% |
| Sun | 3 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…