Wednesday will feature a hearing in the Senate with FAA leadership and another in the House with Transportation Secretary Sean Duffy.

The regulator still uses some computer systems that rely on floppy disks and other outdated hardware, according to one air traffic control union leader.

Transportation Secretary Sean Duffy warned on Sunday that he's "concerned" about the whole airspace of the United States, citing old equipment being used by the Federal Aviation Administration. "I'm concerned about the whole airspace,