”Safety will always be the top priority for our Department and for FAA,” said U.S. Transportation Secretary Pete Buttigieg in a written statement.
The U.S. airlines that operate the 737 MAX 9 are Alaska Airlines and Chicago-based United Airlines, according to aviation analytics firm Cirium.
For Monday, United canceled two flights from Atlanta and two flights to Atlanta scheduled on a 737 MAX 9, according to FlightAware.com.
That comes after Alaska Airlines canceled two Atlanta flights that had been scheduled on a 737 MAX 9 jet for Saturday. United canceled five flights and Alaska canceled three flights to or from Atlanta scheduled on a 737 MAX 9 for Sunday, FlightAware data show.
Other carriers around the world that operate the 737 MAX 9 include Aeromexico, which is a Delta partner, as well as Turkish Airlines, Copa Airlines, Icelandair, Flydubai and SCAT Airlines, according to Cirium.
Delta does not currently fly the 737 MAX 9 or any 737 MAX jets, though it does fly other types of Boeing 737 planes including the 737-800 and 737-900ER. Delta has also ordered Boeing 737 MAX 10 jets for delivery starting in 2025.