AA 6501 then DL 1840 at O'Hare
Nashville → Chicago → Salt Lake City
Timetable, Chicago time
08:35AA 6501 from Nashville at the gate
19:15DL 1840 to Salt Lake City leaves the gate
10 h 40 apart on the timetable
The last days
AA 6501 and DL 1840 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.