UA 503 then N8 585 at O'Hare
Boston → Chicago → Anchorage
Timetable, Chicago time
12:46UA 503 from Boston at the gate
16:05N8 585 to Anchorage leaves the gate
3 h 19 apart on the timetable
The last days
UA 503 and N8 585 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.