NK1156 IAH → ORD
Spirit Airlines · Houston, TX to Chicago, IL · 94 flights observed, 2026-01-08 to 2026-04-13 · 925 mi
NK1156 covers more than one route in the data window — the stats below are for IAH → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+8 min
90th percentile
+103 min
Cancellation rate
5%
How often is NK1156 on time?
Across 94 flights on IAH → ORD from 2026-01-08 to 2026-04-13, NK1156 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +103 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 51 | 57% |
| 16-30 min | 5 | 6% |
| 31-60 min | 14 | 16% |
| 61-120 min | 13 | 15% |
| 2+ hrs | 6 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 24 | 79% | +10 min |
| 2026-02 | 24 | 58% | +34 min |
| 2026-03 | 30 | 47% | +33 min |
| 2026-04 | 11 | 36% | +46 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 54% |
| Tue | 12 | 58% |
| Wed | 11 | 73% |
| Thu | 13 | 62% |
| Fri | 13 | 46% |
| Sat | 14 | 57% |
| Sun | 13 | 54% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…