F
Is Frontier Airlines on time Houston to Chicago?
248 flights · January 2025 – August 2026 · all airlines on IAH to ORD →
61.83%
Arrived on time
Route average 74.77%
2.82%
Cancelled
Route average 1.48%
130 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| United Airlines | 4,007 | 78.18% | C |
| American Airlines | 798 | 67.06% | F |
| Envoy Air | 359 | 72.8% | D |
| Republic Airways | 357 | 71.68% | D |
| Spirit Airlines | 305 | 65.98% | F |
| PSA Airlines | 4 | 50% | — |
| SkyWest Airlines | 2 | 50% | — |
Month by month
Jul 2025
peak 81
Jun 2026