UA 503 then DL 2125 at Boston
Newark → Boston → Fort Myers
Timetable, Boston time
09:17UA 503 from Newark at the gate
12:00DL 2125 to Fort Myers leaves the gate
2 h 43 apart on the timetable
The last days
UA 503 and DL 2125 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.