AA 1756 then WN 8538 at Denver
Dallas-Fort Worth → Denver → Des Moines
Timetable, Denver time
09:49AA 1756 from Dallas-Fort Worth at the gate
12:06WN 8538 to Des Moines leaves the gate
2 h 17 apart on the timetable
The last days
AA 1756 and WN 8538 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.