C
Is Delta Air Lines on time Chicago to Atlanta?
2,623 flights · January 2025 – August 2026 · all airlines on ORD to ATL →
80.35%
Arrived on time
Route average 75.04%
2.36%
Cancelled
Route average 2.26%
87 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| United Airlines | 1,611 | 74.67% | C |
| Frontier Airlines | 713 | 67.78% | F |
| American Airlines | 689 | 65.32% | F |
| Envoy Air | 366 | 77.65% | C |
| Republic Airways | 287 | 72.06% | F |
| Spirit Airlines | 75 | 60% | — |
| SkyWest Airlines | 40 | 61.54% | — |
| PSA Airlines | 5 | 80% | — |
Month by month
Jul 2025
peak 93
Jun 2026