Flight OddsMIA → IAH Spirit Airlines
Spirit Airlines · Miami, FL to Houston, TX · 440 flights, 2025-07-01 to 2026-05-01 · aggregated across 17 flight numbers
On-time arrival
71%
Median delay
-4 min
90th percentile
+92 min
Cancellation rate
3%
How on-time is Spirit Airlines from MIA to IAH?
Across every Spirit Airlines flight number on MIA → IAH (440 flights, 2025-07-01 to 2026-05-01), 71% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +92 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 301 | 71% |
| 16-30 min | 26 | 6% |
| 31-60 min | 35 | 8% |
| 61-120 min | 34 | 8% |
| 2+ hrs | 30 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 58 | 78% | +4 min |
| 2025-08 | 56 | 71% | +14 min |
| 2025-09 | 47 | 72% | +12 min |
| 2025-10 | 44 | 70% | +25 min |
| 2025-11 | 55 | 75% | +16 min |
| 2025-12 | 47 | 70% | +14 min |
| 2026-01 | 30 | 73% | +10 min |
| 2026-02 | 26 | 69% | +12 min |
| 2026-03 | 29 | 45% | +53 min |
| 2026-04 | 32 | 72% | +15 min |
| 2026-05 | 2 | 50% | +109 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 66 | 70% |
| Tue | 57 | 79% |
| Wed | 52 | 77% |
| Thu | 65 | 74% |
| Fri | 67 | 66% |
| Sat | 55 | 71% |
| Sun | 64 | 61% |
NK flight numbers on MIA → IAH
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…