DL 923 then DL 1682 at Atlanta
Boston → Atlanta → Houston
Timetable, Atlanta time
10:57DL 923 from Boston at the gate
14:37DL 1682 to Houston leaves the gate
3 h 40 apart on the timetable
Today
From the airport’s board at 17:17 Atlanta time
10:57DL 923 is cancelled
14:22DL 1682 left the gate15 min early
The last days
DL 923 and DL 1682 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.