Schedule: the flights that flew on Tuesday, Oct 20, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
Today
UA 506 · FCO → SFO
departs 3:51 PM CET · arrives 8:32 PM PT
UA 506 isn’t flying FCO → SFO today
This listing came from a typical schedule. According to the FAA, UA 506 flies these legs today: