WN 4035 then WN 244 at Denver
Houston Hobby → Denver → Seattle
Timetable, Denver time
12:45WN 4035 from Houston Hobby at the gate
15:45WN 244 to Seattle leaves the gate
3 h apart on the timetable
The last days
WN 4035 and WN 244 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.