Flight OddsSpirit Airlines · Fort Lauderdale, FL to Philadelphia, PA · 97 flights observed, 2026-01-08 to 2026-04-14 · 993 mi
NK573 covers more than one route in the data window — the stats below are for FLL → PHL, the one it has flown most recently. The others are linked under “Other routes”.
How often is NK573 on time?
Across 97 flights on FLL → PHL from 2026-01-08 to 2026-04-14, NK573 arrived within 15 minutes of schedule 42% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +111 min or later. 12% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 36 | 42% |
| 16-30 min | 12 | 14% |
| 31-60 min | 13 | 15% |
| 61-120 min | 17 | 20% |
| 2+ hrs | 7 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 67% | +4 min |
| 2026-02 | 25 | 48% | +62 min |
| 2026-03 | 27 | 22% | +72 min |
| 2026-04 | 12 | 33% | +48 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 45% |
| Tue | 12 | 75% |
| Wed | 13 | 62% |
| Thu | 12 | 17% |
| Fri | 14 | 36% |
| Sat | 12 | 25% |
| Sun | 11 | 36% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…