F9 2954 then UA 796 at Dulles
Tampa → Washington → San Francisco
Timetable, Washington time
18:42F9 2954 from Tampa at the gate
16:15UA 796 to San Francisco leaves the gate
21 h 33 apart on the timetable, overnight
UA 796 leaves 21 h 33 after F9 2954 arrives on the timetable: more than half a day, so not a connection we count.