UA 1591 then AS 1353 at LAX
Baltimore → Los Angeles → Guatemala City
Timetable, Los Angeles time
10:32UA 1591 from Baltimore at the gate
22:34AS 1353 to Guatemala City leaves the gate
12 h 02 apart on the timetable
AS 1353 leaves 12 h 02 after UA 1591 arrives on the timetable: more than half a day, so not a connection we count.