After Friday’s global technology outage linked to a CrowdStrike update, airlines at Denver International Airport are still working to recover. More than 400 flights were delayed or canceled Saturday morning at DIA, according to flight tracking data from FlightAware. As of 2 p.m., 133 flights had been canceled and 273 failed to leave the gate on time. United and Southwest had the most delayed flights on Saturday, with 116 United flights and 67 Southwest flights being held up at the gate.