Flight OddsNK691 ORD → IAH
Spirit Airlines · Chicago, IL to Houston, TX · 47 flights observed, 2025-09-04 to 2025-10-31 · 925 mi
On-time arrival
89%
Median delay
-17 min
90th percentile
+16 min
Cancellation rate
4%
How often is NK691 on time?
Across 47 flights on ORD → IAH from 2025-09-04 to 2025-10-31, NK691 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +16 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 40 | 89% |
| 16-30 min | 1 | 2% |
| 31-60 min | 3 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 26 | 92% | -17 min |
| 2025-10 | 19 | 84% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 9 | 78% |
| Fri | 8 | 100% |
| Sat | 5 | 100% |
| Sun | 7 | 86% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…