UA 1663 then WN 296 at Denver
Atlanta → Denver → Seattle
Timetable, Denver time
08:47UA 1663 from Atlanta at the gate
14:00WN 296 to Seattle leaves the gate
5 h 13 apart on the timetable
Today
From the airport’s board at 21:03 Denver time
08:27UA 1663 reached the gate20 min early
14:54WN 296 left the gate54 min late
6 h 27 between the gates
The last days
UA 1663 and WN 296 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.