UA 2153 then AS 9912 at O'Hare
Richmond → Chicago → Columbus (Ohio)
Timetable, Chicago time
07:42UA 2153 from Richmond at the gate
15:30AS 9912 to Columbus (Ohio) leaves the gate
7 h 48 apart on the timetable
The last days
UA 2153 and AS 9912 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.