This morning i used the calling ats to monitor progress because it gives a truer picture than the summarised view.

As a rule of thumb for HOP, you only get a true indication of when the train is arriving after it has passed crystal palace however unfortunately this doesnt work from London Bridge as its the first station.

On the way back I took a train to East Dulwich then looked for a cab station but a bus came instead so took it to forest hill then walked across to HOP