DL 420 then OO 6010 at O'Hare
Savannah → Chicago → Grand Rapids
Timetable, Chicago time
13:13DL 420 from Savannah at the gate
15:25OO 6010 to Grand Rapids leaves the gate
2 h 12 apart on the timetable
The last days
DL 420 and OO 6010 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.