UA 540 then G7 4166 at O'Hare
San Diego → Chicago → Madison
Timetable, Chicago time
04:34UA 540 from San Diego at the gate
12:10G7 4166 to Madison leaves the gate
7 h 36 apart on the timetable
Today
From the airport’s board at 17:11 Chicago time
04:34UA 540 is cancelled
11:54G7 4166 left the gate16 min early
The last days
UA 540 and G7 4166 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.