UA 5121 then OO 9922 at O'Hare
Eau Claire → Chicago → Charlotte
Timetable, Chicago time
06:43UA 5121 from Eau Claire at the gate
11:40OO 9922 to Charlotte leaves the gate
4 h 57 apart on the timetable
Today
From the airport’s board at 15:25 Chicago time
07:08UA 5121 reached the gate25 min late
14:42OO 9922 left the gate3 h 02 late
7 h 34 between the gates
The last days
UA 5121 and OO 9922 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.