Flight OddsSpirit Airlines · Fort Lauderdale, FL to Boston, MA · 95 flights observed, 2026-01-08 to 2026-04-13 · 1,237 mi
NK743 covers more than one route in the data window — the stats below are for FLL → BOS, the one it has flown most recently. The others are linked under “Other routes”.
How often is NK743 on time?
Across 95 flights on FLL → BOS from 2026-01-08 to 2026-04-13, NK743 arrived within 15 minutes of schedule 37% of the time. The median arrival delay was +31 min, and the worst 10% of flights arrived +137 min or later. 15% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 30 | 37% |
| 16-30 min | 10 | 12% |
| 31-60 min | 11 | 14% |
| 61-120 min | 18 | 22% |
| 2+ hrs | 12 | 15% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 20 | 65% | +10 min |
| 2026-02 | 24 | 38% | +63 min |
| 2026-03 | 25 | 24% | +103 min |
| 2026-04 | 12 | 17% | +50 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 50% |
| Tue | 13 | 46% |
| Wed | 13 | 31% |
| Thu | 14 | 29% |
| Fri | 12 | 42% |
| Sat | 11 | 27% |
| Sun | 8 | 38% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…