Canceled, delayed flights will continue Sunday at Denver International Airport

A long line of people makes their way through security at Denver International Airport on Saturday, July 20, 2024. (Photo by Zachary Spindler-Krage/The Denver Post)

More than 200 flights were canceled or delayed at Denver International Airport on Sunday as airlines continued to recover from a global technology outage that began Thursday.

According to flight tracking website FlightAware, as of 10:30 a.m., 86 flights were canceled and 181 flights were delayed at DIA.

Of the 86 cancelled flights, 65 were United, 15 were Delta and six were Frontier. The most delayed flights were Southwest, United and Delta.

The initial outage caused more than 1,200 flights to be canceled and delayed at DIA on Friday, and more than 800 on Saturday.

Updates from UnitedFrontier and Delta Airlines said Friday that the companies were recovering from the Crowdstrike software outage, which also affected the Regional Transportation District, the Colorado Division of Motor Vehicles and some police and fire departments.