UA 3377 then DL 1979 at O'Hare
Pittsburgh → Chicago → Salt Lake City
Timetable, Chicago time
08:30UA 3377 from Pittsburgh at the gate
16:00DL 1979 to Salt Lake City leaves the gate
7 h 30 apart on the timetable
Today
From the airport’s board at 13:21 Chicago time
08:30UA 3377 is cancelled
16:00DL 1979 due to leave, no estimate yet
The last days
UA 3377 and DL 1979 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.