Frontier confirmed that the ground stop had been lifted, and said its systems operations center experienced a short internet outage that caused the airline to initiate a brief gro

Frontier Airlines has grounded all flights across the US due to IT issues, the FAA advisory says. Frontier Airlines serves over 100 destinations across the United States, Mexico, the Caribbean, and Latin America.

A temporary Ground Stop was issued for all destinations for Frontier Airlines on Thursday, according to the Federal Aviation Authority.