Originally Posted by
RRROOO
Interesting thread-- I've never connected in Heathrow. Generally speaking, how long SHOULD a layover be...3 hours? 2.5 hours?
On one ticket, between 1 hour and 90 minutes, depending on the details. Plus a factor for "what would happen if I end up on the next flight". On separate tickets, then it's according to your personal risk assessment and whether you have checked baggage.