K4 913 then 1I 487 at O'Hare
Anchorage → Chicago → Washington
Timetable, Chicago time
11:35K4 913 from Anchorage at the gate
15:301I 487 to Washington leaves the gate
3 h 55 apart on the timetable
The last days
K4 913 and 1I 487 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.