United States, Transport Incident, Level 3: Air traffic disrupted across various airports – USA

2024-07-19: Many flights were cancelled, while hundreds of others were diverted on Thursday evening (18 July, local time) after airline operations were impacted by a major technical problem at various airports in the country, including Denver International Airport (DEN) and Phoenix Sky Harbor International Airport (PHX). The process of resuming flight operations is currently ongoing.
Further air traffic disruptions are possible. Passengers travelling via the affected airport are advised to contact their airline or tour operator about the current flight status in advance to their journey to the airport.