DL 9728 then UA 5707 at Salt Lake City
Los Angeles → Salt Lake City → Chicago O'Hare
Timetable, Salt Lake City time
12:25DL 9728 from Los Angeles at the gate
12:29UA 5707 to Chicago O'Hare leaves the gate
4 min apart on the timetable
Today
From the airport’s board at 17:43 Salt Lake City time
12:35DL 9728 reached the gate10 min late
12:33UA 5707 left the gate4 min late
−2 min between the gates
The last days
DL 9728 and UA 5707 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.