WN 768 then AA 990 at Phoenix
Boise → Phoenix → Chicago O'Hare
Timetable, Phoenix time
22:15WN 768 from Boise at the gate
07:03AA 990 to Chicago O'Hare leaves the gate
8 h 48 apart on the timetable, overnight
The last days
WN 768 and AA 990 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.