UA 4040 then DL 1889 at Atlanta
Houston → Atlanta → Boston
Timetable, Atlanta time
10:36UA 4040 from Houston at the gate
19:20DL 1889 to Boston leaves the gate
8 h 44 apart on the timetable
The last days
UA 4040 and DL 1889 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 Boston
DL 298720:5010 h 14 after UA 4040 on the timetable
DL 86522:4012 h 04 after UA 4040 on the timetable