Boeing 737 MAX 8 airliner completes its first flight last year. The plane maker says if airlines place orders for its planned MAX 10X, it could start building them in 2020. Stephen Brashear / AFP
Boeing 737 MAX 8 airliner completes its first flight last year. The plane maker says if airlines place orders for its planned MAX 10X, it could start building them in 2020. Stephen Brashear / AFP

Boeing’s stretched MAX jetliner depends on orders