D
Is Frontier Airlines on time Houston to Miami?
154 flights · January 2025 – August 2026 · all airlines on IAH to MIA →
68.87%
Arrived on time
Route average 77.79%
1.95%
Cancelled
Route average 1.15%
142 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| American Airlines | 1,526 | 78.35% | C |
| United Airlines | 1,479 | 80.26% | B |
| Spirit Airlines | 441 | 70.73% | D |
| Envoy Air | 122 | 78.51% | C |
| Republic Airways | 14 | 64.29% | — |
Month by month
Jul 2025
peak 90
Jun 2026