The FAA plans to cut 10% of flights at 40 major airports if the shutdown continues, citing worsening staff shortages among unpaid air traffic controllers. Airlines were caught off guard by the move, which could disrupt thousands of flights nationwide.

A UPS cargo plane crashed near Louisville’s Muhammad Ali International Airport on Tuesday, killing at least three people and injuring 11 others. Officials say the crash sparked a massive fire and investigation efforts are underway.