AA 2363 then WN 2749 at Denver
Chicago O'Hare → Denver → Oklahoma City
Timetable, Denver time
11:37AA 2363 from Chicago O'Hare at the gate
18:05WN 2749 to Oklahoma City leaves the gate
6 h 28 apart on the timetable
The last days
AA 2363 and WN 2749 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.