United Airlines resolved the system disruption that delayed over 1,000 flights, but residual delays are expected and the cause is unknown.

TAMPA, Fla. (WFLA) — A system outage to United Airlines occurred Wednesday at 8 p.m., triggering a ground stop. The domino effect of delays could be seen at Tampa International Airport Thursday morning. ‘We are grieving’: Several Citrus High School students involved in deadly crash, officials say

Delays continued Thursday for some United Airlines passengers after a technical glitch the day before caused the airline to ground hundreds of flights across the country.