WN 191 then F9 2142 at Phoenix
Atlanta → Phoenix → Denver
Timetable, Phoenix time
14:45WN 191 from Atlanta at the gate
15:46F9 2142 to Denver leaves the gate
1 h 01 apart on the timetable
The last days
WN 191 and F9 2142 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.