VS 46 then AA 9606 at Heathrow
New York JFK → London → Miami
Timetable, London time
07:15VS 46 from New York JFK at the gate
10:10AA 9606 to Miami leaves the gate
2 h 55 apart on the timetable
The last days
VS 46 and AA 9606 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.