UA 5928 then TP 4392 at San Francisco
Omaha → San Francisco → Boston
Timetable, San Francisco time
17:40UA 5928 from Omaha at the gate
10:44TP 4392 to Boston leaves the gate
17 h 04 apart on the timetable, overnight
TP 4392 leaves 17 h 04 after UA 5928 arrives on the timetable: more than half a day, so not a connection we count.