AA 1934 then WN 188 at Phoenix
Tucson → Phoenix → Denver
Timetable, Phoenix time
13:41AA 1934 from Tucson at the gate
16:30WN 188 to Denver leaves the gate
2 h 49 apart on the timetable
The last days
AA 1934 and WN 188 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.