Flight OddsIAH → MDW Frontier Airlines
Frontier Airlines · Houston, TX to Chicago, IL · 121 flights, 2025-07-04 to 2026-04-13 · aggregated across 2 flight numbers
On-time arrival
72%
Median delay
-4 min
90th percentile
+107 min
Cancellation rate
2%
How on-time is Frontier Airlines from IAH to MDW?
Across every Frontier Airlines flight number on IAH → MDW (121 flights, 2025-07-04 to 2026-04-13), 72% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +107 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 86 | 72% |
| 16-30 min | 7 | 6% |
| 31-60 min | 8 | 7% |
| 61-120 min | 7 | 6% |
| 2+ hrs | 11 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 8 | 38% | +32 min |
| 2025-08 | 13 | 69% | +90 min |
| 2025-09 | 17 | 82% | +3 min |
| 2025-10 | 21 | 90% | -7 min |
| 2025-11 | 23 | 70% | +20 min |
| 2025-12 | 13 | 54% | +55 min |
| 2026-01 | 4 | 50% | +67 min |
| 2026-02 | 7 | 86% | +15 min |
| 2026-03 | 9 | 67% | +34 min |
| 2026-04 | 4 | 100% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 56% |
| Tue | 1 | 100% |
| Wed | 3 | 33% |
| Thu | 15 | 87% |
| Fri | 37 | 86% |
| Sat | 7 | 86% |
| Sun | 20 | 65% |
F9 flight numbers on IAH → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…