AA 880 then AA 2672 at O'Hare
Philadelphia → Chicago → Seattle (SEA)
Timetable, Chicago time
12:19AA 880 from Philadelphia at the gate
12:55AA 2672 to Seattle (SEA) leaves the gate
36 min apart on the timetable
The last days
AA 880 and AA 2672 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.