Passengers will have the option to book a seat with extra space.
The facility where controllers work the airspace around Newark airport is located in Philadelphia and was already short air traffic controllers.
Theresa Claiborne had her final flight with United Airlines on Thursday.
Several injuries were reported after a United Airlines flight from Tel Aviv to Newark International Airport was diverted to an airport in New York due to high winds.
The FAA is slowing traffic in and out of LaGuardia and Newark airports in New York due to the smoky conditions.
U.S. Transportation Secretary Buttigieg says he spoke directly to Jordan on Tuesday about the thousands of flights that have been canceled this week.
