这则消息是不准确的。《华盛顿邮报》已经澄清了
https://www.washingtonpost.com/world/coronavirus-china-live-updates/2020/01/25/0ca57a5e-3ed7-11ea-afe2-090eb37b60b1_story.html
WASHINGTON — The U.S. Embassy in Beijing is exploring options to help U.S. citizens in Wuhan, but reports that a charter flight was being arranged to bring citizens and diplomats back to the United States are false, according to a voice mail at the embassy.
When a Washington Post reporter called the U.S. embassy in Beijing to inquire about the chartered flight, the reporter was directed to a voicemail that said the reports were false and there were "no confirmed arrangements at this time." Americans in Wuhan who are looking for assistance or are trying to leave the city were directed to an email address.