Originally Posted by
Pascoe
One thing to look out for. The times where I have a ride seem to be booked and confirmed, only to have the driver cancel, have been preceded by the driver taking quite a while to get away from that area. Whether they're getting shown better fares and cherry picking, or queues are too huge and they're giving up I don't know as I am not an Uber expert. But it can happen.
I don't think they know where you are going to till after pickup (I have had drivers call me to ask destination, rarely, but not in LHR)