AA 3312 then BR 647 at O'Hare
Las Vegas → Chicago → Anchorage
Timetable, Chicago time
15:53AA 3312 from Las Vegas at the gate
19:40BR 647 to Anchorage leaves the gate
3 h 47 apart on the timetable
Today
From the airport’s board at 06:45 Chicago time
15:53AA 3312 due at the gate, no estimate yet
19:40BR 647 due to leave, no estimate yet
3 h 47 between the gates, on these times
The last days
AA 3312 and BR 647 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.