AV 2154 then TP 4392 at San Francisco
Los Angeles → San Francisco → Boston
Timetable, San Francisco time
18:02AV 2154 from Los Angeles at the gate
10:44TP 4392 to Boston leaves the gate
16 h 42 apart on the timetable, overnight
TP 4392 leaves 16 h 42 after AV 2154 arrives on the timetable: more than half a day, so not a connection we count.