POTUS departs 11:40 PM CEST/5:40 PM EST from Brindisi, Italywhich puts him back at ADW about 2:30-3:00am Saturday morning, refuels, picks up/drops off staff and departs for LAX around 4am-ish would be my guess. Original plans had him refueling in Maine and heading straight to LAX. Also, keep in mind a VIP TFR can be changed with a phone call, so times are never set in stone until an hour before arrival.
FLOTUS schedule for tomorrow...
At 12:45 PM, First Lady Jill Biden will deliver remarks at a political finance event in Los Gatos, California.
At 3:15 PM, the First Lady will arrive at Reno-Tahoe International Airport in Reno, Nevada.
At 6:30 PM, the First Lady will arrive at Phoenix Sky Harbor Airport in Phoenix, Arizona.