BR 642 then DL 637 at O'Hare
Anchorage → Chicago → Seattle (SEA)
Timetable, Chicago time
11:55BR 642 from Anchorage at the gate
17:55DL 637 to Seattle (SEA) leaves the gate
6 h apart on the timetable
Today
From the airport’s board at 03:19 Chicago time
11:55BR 642 due at the gate, no estimate yet
17:55DL 637 due to leave, no estimate yet
6 h between the gates, on these times
The last days
BR 642 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.