AA 6437 then DL 2197 at LAX
Northwest Arkansas → Los Angeles → San Francisco
Timetable, Los Angeles time
18:06AA 6437 from Northwest Arkansas at the gate
18:02DL 2197 to San Francisco leaves the gate
23 h 56 apart on the timetable, overnight
DL 2197 leaves 23 h 56 after AA 6437 arrives on the timetable: more than half a day, so not a connection we count.