30 USAF refueling planes are in Israel civilian airport. If Iran launches those missiles with multiple rentry cluster warhead that cannot be intercepted. US could loose 20% of its air refuelers in just one place.
He would have got a call from his sons Jr/Eric or Baron to funnel those middle east investment to companies which they have stake in. He will do stuff that only enriches him and his family.
So a 12 hour flight to DC and before that he would have had to board a train which is another 10 hr journey from Kiev to Poland. No western leader or for that matter Zelensky has taken a aircraft from Kiev. They all first go to Poland via Train.