DL 812 then DL 4215 at Detroit
Seattle → Detroit → St Louis
Timetable, Detroit time
13:19DL 812 from Seattle at the gate
19:00DL 4215 to St Louis leaves the gate
5 h 41 apart on the timetable
The last days
DL 812 and DL 4215 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 St Louis
DL 154119:456 h 26 after DL 812 on the timetable