CA 1019 then UA 2844 at O'Hare
Anchorage → Chicago → St Louis
Timetable, Chicago time
05:55CA 1019 from Anchorage at the gate
10:45UA 2844 to St Louis leaves the gate
4 h 50 apart on the timetable
Today
From the airport’s board at 04:17 Chicago time
05:55CA 1019 due at the gate, no estimate yet
10:45UA 2844 due to leave, no estimate yet
4 h 50 between the gates, on these times
The last days
CA 1019 and UA 2844 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.