BA 1903 then VA 8105 at San Francisco
Dallas-Fort Worth → San Francisco → Chicago O'Hare
Timetable, San Francisco time
23:57BA 1903 from Dallas-Fort Worth at the gatealso AA 2775, IB 8125
08:20VA 8105 to Chicago O'Hare leaves the gate
8 h 23 apart on the timetable, overnight
The last days
BA 1903 and VA 8105 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.