WN 2952 then DL 499 at Denver
Los Angeles → Denver → Boston
Timetable, Denver time
22:10WN 2952 from Los Angeles at the gate
11:36DL 499 to Boston leaves the gate
13 h 26 apart on the timetable, overnight
DL 499 leaves 13 h 26 after WN 2952 arrives on the timetable: more than half a day, so not a connection we count.