American Airlines resumes flights after nationwide ground stop [Video]

Following a brief outage that grounded all American Airlines flights during one of the busiest travel periods of the year, American Airlines says it has resumed service Tuesday morning.American Airlines said a “vendor technology issue” was responsible for delaying all of its flights in the United States. But the company began boarding flights again at around 8 a.m. ET and flights have since resumed, airline spokeswoman Sarah Jantz told CNN.The Federal Aviation Administration lifted its nationwide ground stop order for all American flights. In a statement, the FAA said American requested a nationwide ground stop but referred all questions to the airline for more information.According to the aviation analytics firm Cirium, the outage occurred on a day when the airline is scheduled to have more than 3,300 domestic flights. The airline resumed service with residual delays but without a substantial number of cancellations.“It’s all hands on deck as our team …