Flight OddsNK1531 ORD → MIA
Spirit Airlines · Chicago, IL to Miami, FL · 45 flights observed, 2025-09-04 to 2025-11-01 · 1,197 mi
NK1531 covers more than one route in the data window — the stats below are for ORD → MIA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-9 min
90th percentile
+28 min
Cancellation rate
0%
How often is NK1531 on time?
Across 45 flights on ORD → MIA from 2025-09-04 to 2025-11-01, NK1531 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +28 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 | 37 | 82% |
| 16-30 min | 3 | 7% |
| 31-60 min | 2 | 4% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 27 | 81% | +10 min |
| 2025-10 | 17 | 82% | -1 min |
| 2025-11 | 1 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 86% |
| Tue | 4 | 50% |
| Wed | 4 | 75% |
| Thu | 7 | 86% |
| Fri | 7 | 86% |
| Sat | 9 | 89% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…