American Airlines says it has fixed a technology problem that was grounding flights to and from Dallas, Chicago and Miami on Thursday.
American spokesman Casey Norton said the airline did not immediately know the cause of the outage, which began around 11 a.m. CDT and lasted nearly two hours.
The Federal Aviation Administration said that American Airlines planes destined for Dallas-Fort Worth International Airport, O'Hare Airport in Chicago and Miami International Airport were held on the ground during the outage.
American did not immediately say how many flights were affected.
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