TP 4401 then AC 4053 at San Francisco
Boston → San Francisco → Reno
Timetable, San Francisco time
20:55TP 4401 from Boston at the gate
14:06AC 4053 to Reno leaves the gatealso UA 5568
17 h 11 apart on the timetable, overnight
AC 4053 leaves 17 h 11 after TP 4401 arrives on the timetable: more than half a day, so not a connection we count.