DL 1818 then DL 560 at Seattle
Chicago O'Hare → Seattle → Atlanta
Timetable, Seattle time
20:16DL 1818 from Chicago O'Hare at the gate
23:40DL 560 to Atlanta leaves the gate
3 h 24 apart on the timetable
Seattle’s board gives a departure time for only about 59% of its flights, so many days show no gate time.
The last days
DL 1818 and DL 560 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.
Later flights to Atlanta
DL 65223:593 h 43 after DL 1818 on the timetable