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Is Delta Air Lines on time Houston to Atlanta?
2,507 flights · January 2025 – August 2026 · all airlines on IAH to ATL →
80.15%
Arrived on time
Route average 77.53%
2.07%
Cancelled
Route average 1.92%
66 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| United Airlines | 1,257 | 81.88% | B |
| Frontier Airlines | 767 | 61.73% | F |
| Spirit Airlines | 375 | 77.44% | D |
Month by month
Jul 2025
peak 93
Jun 2026