UA 1955 then DL 3576 at LAX
Denver → Los Angeles → Spokane
Timetable, Los Angeles time
20:48UA 1955 from Denver at the gate
20:37DL 3576 to Spokane leaves the gate
23 h 49 apart on the timetable, overnight
DL 3576 leaves 23 h 49 after UA 1955 arrives on the timetable: more than half a day, so not a connection we count.