KZ 7134 then AA 663 at O'Hare
Anchorage → Chicago → Harrisburg
Timetable, Chicago time
21:45KZ 7134 from Anchorage at the gate
01:21AA 663 to Harrisburg leaves the gate
3 h 36 apart on the timetable, overnight
The last days
KZ 7134 and AA 663 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.