Flight OddsNK581 FLL → ORD
Spirit Airlines · Fort Lauderdale, FL to Chicago, IL · 96 flights observed, 2026-01-08 to 2026-04-14 · 1,182 mi
On-time arrival
38%
Median delay
+27 min
90th percentile
+136 min
Cancellation rate
9%
How often is NK581 on time?
Across 96 flights on FLL → ORD from 2026-01-08 to 2026-04-14, NK581 arrived within 15 minutes of schedule 38% of the time. The median arrival delay was +27 min, and the worst 10% of flights arrived +136 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 33 | 38% |
| 16-30 min | 12 | 14% |
| 31-60 min | 16 | 18% |
| 61-120 min | 14 | 16% |
| 2+ hrs | 12 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 22 | 55% | +24 min |
| 2026-02 | 27 | 44% | +33 min |
| 2026-03 | 26 | 19% | +70 min |
| 2026-04 | 12 | 33% | +54 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 31% |
| Tue | 13 | 46% |
| Wed | 13 | 54% |
| Thu | 14 | 43% |
| Fri | 11 | 45% |
| Sat | 13 | 31% |
| Sun | 10 | 10% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…