As far as I can tell flights from Beijing, Shanghai, and other Chinese flights to US via various airlines are flying here same as ever.
Tom Cotton is the only politician as far as I know that has even commented on it. from 2 days ago
Exclusive Tom Cotton Urges Trump Administration to Consider Banning Travel from China over Coronavirus
I think I counted ten to SFO, and 5 or 6 to sea-tac. Still more flights coming in later this evening. So, I expect we will see more cases here.
Banning flights from China doesn’t do any good unless most of the world agrees to do the same. Chinese people will fly to other countries & catch flights from there.
The ‘no fly’ has to come from China itself.