UA 5347 then DL 2166 at LAX
Las Vegas → Los Angeles → Boston
Timetable, Los Angeles time
11:53UA 5347 from Las Vegas at the gate
15:40DL 2166 to Boston leaves the gate
3 h 47 apart on the timetable
The last days
UA 5347 and DL 2166 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.