WN 856 then WN 556 at Denver
Dallas → Denver → Columbus (Ohio)
Timetable, Denver time
08:45WN 856 from Dallas at the gate
12:55WN 556 to Columbus (Ohio) leaves the gate
4 h 10 apart on the timetable
The last days
WN 856 and WN 556 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.