AA 161 then BC 945 at Haneda
Los Angeles → Tokyo → Sapporo
Timetable, Tokyo time
05:05AA 161 from Los Angeles at the gate
16:25BC 945 to Sapporo leaves the gate
11 h 20 apart on the timetable
The last days
AA 161 and BC 945 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.