WN 3148 then DL 8939 at Phoenix
Chicago Midway → Phoenix → Denver
Timetable, Phoenix time
10:50WN 3148 from Chicago Midway at the gate
18:00DL 8939 to Denver leaves the gate
7 h 10 apart on the timetable
The last days
WN 3148 and DL 8939 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.