AA 3552 then AA 2359 at DFW
Midland → Dallas-Fort Worth → Denver
Timetable, Dallas-Fort Worth time
06:26AA 3552 from Midland at the gate
11:02AA 2359 to Denver leaves the gate
4 h 36 apart on the timetable
The last days
AA 3552 and AA 2359 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.