AA 4498 then DL 637 at O'Hare
Harrisburg → Chicago → Seattle (SEA)
Timetable, Chicago time
16:43AA 4498 from Harrisburg at the gate
17:55DL 637 to Seattle (SEA) leaves the gate
1 h 12 apart on the timetable
Today
From the airport’s board at 01:15 Chicago time
16:43AA 4498 due at the gate, no estimate yet
17:55DL 637 due to leave, no estimate yet
1 h 12 between the gates, on these times
The last days
AA 4498 and DL 637 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.