F9 3229 then WN 1037 at Denver
Houston → Denver → Phoenix Sky Harbor
Timetable, Denver time
08:20F9 3229 from Houston at the gate
06:00WN 1037 to Phoenix Sky Harbor leaves the gate
21 h 40 apart on the timetable, overnight
WN 1037 leaves 21 h 40 after F9 3229 arrives on the timetable: more than half a day, so not a connection we count.