UA 3902 then K4 810 at O'Hare
Rio De Janeiro → Chicago → Anchorage
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
04:00K4 810 to Anchorage leaves the gate
10 h 59 apart on the timetable, overnight
The last days
UA 3902 and K4 810 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.