F9 2146 then G7 4166 at O'Hare
Las Vegas → Chicago → Madison
Timetable, Chicago time
05:13F9 2146 from Las Vegas at the gate
12:10G7 4166 to Madison leaves the gate
6 h 57 apart on the timetable
Today
From the airport’s board at 19:43 Chicago time
04:53F9 2146 reached the gate20 min early
11:54G7 4166 left the gate16 min early
7 h 01 between the gates
The last days
F9 2146 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.