The Federal Aviation Administration issued a nationwide ground stop for flights across the United States on Friday, citing extraordinary circumstances and safety concerns related to an air-traffic control issue.

A nationwide ground stop is affecting Tennessee's football team ahead of its game at Texas A&M (4-5, 1-5 SEC). Kickoff between the Vols and Aggies on Saturday is slated for 3 p.m. EST at Kyle Field in College Station, Texas (ESPN).

"There's numerous college football teams that have yet to fly to their destinations," Pete Thamel of ESPN announced. "If this continues, it could significantly impact college football tomorrow."

Thamel also mentioned the following schools have their flights in limbo:

• Big 12: Baylor, Kansas State, Utah and Arizona State

• SEC: Ole Miss, Tennessee and Texas

• ACC: All visiting teams on the ground

• Big Ten: Minnesota, Purdue and Washington

• Also confirmed in limbo - Oregon State, Wyoming and North Texas

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