This comes after former VP Kamala Harris said in her new book Buttigieg topped her initial list of potential running mates.
Following a series of close calls, aviation leaders are set to meet Wednesday to discuss the incidents and identify key patterns and risk factors.
"They were doing nothing for you," Trump said, while claiming that the federal response was beefed up only in response to the announcement of his campaign trip, a claim the White House says is false.
The DOT is also issuing $7.25 million in fines against six airlines for the "extreme delays in providing those refunds to passengers," Transportation Secretary Pete Buttigieg said on a call with reporters.
Earlier this month, Transportation Secretary Pete Buttigieg sent a letter to airlines telling them the level of disruptions this summer was "unacceptable."
Transportation Secretary Pete Buttigieg and second gentleman Doug Emhoff visited the Triangle on Friday as part of a Biden administration pitch to rally support for the president's infrastructure plan.