AA 4725 then AA 1211 at O'Hare
Dayton → Chicago → Seattle (SEA)
Timetable, Chicago time
06:59AA 4725 from Dayton at the gate
17:25AA 1211 to Seattle (SEA) leaves the gate
10 h 26 apart on the timetable
The last days
AA 4725 and AA 1211 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.