OO 457 then DL 437 at LAX
Reno → Los Angeles → Boston
Timetable, Los Angeles time
11:02OO 457 from Reno at the gate
10:50DL 437 to Boston leaves the gate
23 h 48 apart on the timetable, overnight
DL 437 leaves 23 h 48 after OO 457 arrives on the timetable: more than half a day, so not a connection we count.