IB 351 then AS 9728 at LAX
Madrid → Los Angeles → Salt Lake City
Timetable, Los Angeles time
16:40IB 351 from Madrid at the gate
07:20AS 9728 to Salt Lake City leaves the gate
14 h 40 apart on the timetable, overnight
AS 9728 leaves 14 h 40 after IB 351 arrives on the timetable: more than half a day, so not a connection we count.