Flight OddsIAH → ORD Spirit Airlines
Spirit Airlines · Houston, TX to Chicago, IL · 305 flights, 2025-07-01 to 2026-05-01 · aggregated across 12 flight numbers
On-time arrival
67%
Median delay
-1 min
90th percentile
+76 min
Cancellation rate
5%
How on-time is Spirit Airlines from IAH to ORD?
Across every Spirit Airlines flight number on IAH → ORD (305 flights, 2025-07-01 to 2026-05-01), 67% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +76 min or later. 5% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 195 | 67% |
| 16-30 min | 18 | 6% |
| 31-60 min | 38 | 13% |
| 61-120 min | 25 | 9% |
| 2+ hrs | 15 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 32 | 91% | +1 min |
| 2025-08 | 32 | 75% | +14 min |
| 2025-09 | 41 | 98% | -12 min |
| 2025-10 | 21 | 67% | +14 min |
| 2025-11 | 26 | 69% | +15 min |
| 2025-12 | 34 | 44% | +45 min |
| 2026-01 | 29 | 72% | +16 min |
| 2026-02 | 24 | 58% | +34 min |
| 2026-03 | 30 | 47% | +33 min |
| 2026-04 | 21 | 29% | +46 min |
| 2026-05 | 1 | 0% | +70 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 41 | 66% |
| Tue | 36 | 75% |
| Wed | 35 | 80% |
| Thu | 45 | 58% |
| Fri | 46 | 61% |
| Sat | 43 | 72% |
| Sun | 45 | 62% |
NK flight numbers on IAH → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…