F9 2818 then WN 1749 at Denver
San Diego → Denver → Dallas
Timetable, Denver time
09:59F9 2818 from San Diego at the gate
05:35WN 1749 to Dallas leaves the gate
19 h 36 apart on the timetable, overnight
WN 1749 leaves 19 h 36 after F9 2818 arrives on the timetable: more than half a day, so not a connection we count.