ET 574 then KD 211 at O'Hare
Rome → Chicago → Anchorage
Timetable, Chicago time
07:40ET 574 from Rome at the gate
12:00KD 211 to Anchorage leaves the gate
4 h 20 apart on the timetable
The last days
ET 574 and KD 211 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.