TOKYO—American passengers on the coronavirus-stricken Diamond Princess cruise ship departed from a Tokyo airport early Monday on flights house that the U.S. federal government organized soon after a large-level political push in Washington.

Buses carried the Us citizens from the ship, the web site of the most significant coronavirus outbreak exterior China, to Haneda airport, in which they boarded two constitution flights arranged by the Condition Department. The Defense Department reported a person aircraft would go to Travis Air Power Foundation in close proximity to Sacramento, Calif., and the other…