US hub airport delays
This page compares on-time departure performance at 5 major US hub airports — ATL, ORD, DFW, DEN and LAX. On-time departure rate is the share of flights leaving within 15 minutes of schedule. High-volume weather-prone hubs such as ORD typically see lower on-time rates than southern hubs like ATL. Select an airport for its full delay profile and leading delay cause. Figures are from the US DOT Bureau of Transportation Statistics for full-year 2024 (the latest complete year); see methodology.
Source: US DOT Bureau of Transportation Statistics — Airline On-Time Performance. Data as of full-year 2024 (latest complete BTS year).
Hub airports ranked by on-time departures
| Airport | On-time departure % | On-time arrival % | Avg delay, delayed flights (min) | Cancelled % |
|---|---|---|---|---|
| LAX — Los Angeles | 81 | 80 | 70.1 | 0.81 |
| ATL — Atlanta | 79 | 82 | 60.7 | 1 |
| ORD — Chicago | 77 | 78 | 76.4 | 1.35 |
| DEN — Denver | 76 | 80 | 62.5 | 1.13 |
| DFW — Dallas | 71 | 74 | 74.2 | 1.86 |
Source: US DOT BTS Airline On-Time Performance. Data as of full-year 2024 (latest complete BTS year).
All hub airports
Los Angeles International
On-time dep: 81%
ATLHartsfield–Jackson Atlanta International
On-time dep: 79%
ORDChicago O'Hare International
On-time dep: 77%
DENDenver International
On-time dep: 76%
DFWDallas–Fort Worth International
On-time dep: 71%
Last updated: 2026-06-13