Starkey7 wrote:Is it not the case, though, that if one starts on the second or third train of the day, there's not so much waiting around at places like Chalfont and Latimer and so on?
Not really...
Leaving at 5:28 gets you to H-o-t-H by 6:55 (most likely) - 1:27 duration
Leaving at 5:56 gets you to H-o-t-H by 7:29 (most likely) - 1:33 duration
so in fact you're 6 minutes better off with the early start. I have not found any other remotely useful Amersham start times...
There doesn't seem to be any useful Chesham start at all.