Flight OddsNK1878 SJU → ORD
Spirit Airlines · San Juan, PR to Chicago, IL · 5 flights observed, 2025-07-12 to 2025-08-09 · 2,072 mi
On-time arrival
60%
Median delay
-1 min
90th percentile
+131 min
Cancellation rate
0%
How often is NK1878 on time?
Across 5 flights on SJU → ORD from 2025-07-12 to 2025-08-09, NK1878 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +131 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 | 3 | 60% |
| 16-30 min | 1 | 20% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 20% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 3 | 67% | +1 min |
| 2025-08 | 2 | 50% | +103 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 5 | 60% |
| Sun | No data | — |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…