UA 3851 then TN 1339 at San Francisco
Rio De Janeiro → San Francisco → Los Angeles
Timetable, San Francisco time
17:41UA 3851 from Rio De Janeiro at the gate
14:05TN 1339 to Los Angeles leaves the gatealso BA 1786, QF 3023, AY 4100, IB 4737, AA 6429, GF 6573
20 h 24 apart on the timetable, overnight
TN 1339 leaves 20 h 24 after UA 3851 arrives on the timetable: more than half a day, so not a connection we count.