Ember/Megabus/Flix don't believe in timetables, which I can't understand. Their view point is the passengers should look for when they want to travel to see if there is a journey. I'm like no you should be showcasing your network and full operations.
Stagecoach Scotland are far better as they do create PDF version of the printed timetables for many years, unlike many part of it's English operations. The East midlands operations are the best they have a proper page that links ALL the services in a area and includes a map;
https://www.stagecoachbus.com/promos-and-offers/east-midlands/latest-timetables complete breath of fresh air.
Cambridge is dire and who ever is in control doesn't have a clue, it's been like that for donkey years.
First Scotland East towards the end was also a lot better than most of the First Empire, I think from 2011? to 2022 they actually put up PDF versions of the printed timetables, including some that never got printed.
A good mention was McGills in 2018? They didnt print new set of timetables for the Monklands area but did created an area guide which had a map, and listed all the services plus the main freq along with start/finishing times etc That is a good middle ground, not great but help promotes the network for all passengers to see.