F9 2142 then WN 451 at Denver
Phoenix Sky Harbor → Denver → Tulsa
Timetable, Denver time
17:38F9 2142 from Phoenix Sky Harbor at the gate
17:35WN 451 to Tulsa leaves the gate
23 h 57 apart on the timetable, overnight
WN 451 leaves 23 h 57 after F9 2142 arrives on the timetable: more than half a day, so not a connection we count.