Around '74-'76 Dan Air had a 748 based at Leeds-Bradford. It did a daily 'bus-route' that was something like: Leeds-Glasgow-Leeds-Cardiff-Bristol-Bournemouth-Jersey-Guernsey-Bournemouth-Bristol-Cardiff-Leeds-Glasgow-Leeds.
At the same time Air Anglia did a similar thing with an F27 based at Norwich, its route was something like Norwich-Leeds-Edinburgh-Aberdeen-Stavanger-Aberdeen-Edinburgh-Leeds-Norwich.
Seeing as the Dan Air 1st leg was Leeds-Glasgow and the last leg was Glasgow-Leeds, I used it quite frequently. I was based in Leeds and had to visit Glasgow based customers quite a lot. I could spend a full day at my customer and not have a night away from home and family. I did one day trip to Bournemouth and back to visit the RN in Portsmouth, I managed to get my business done while Dan Air were playing around in 'Bergerac Country'
When I needed to get to Edinburgh customers I did the same with Air Anglia.
Two very useful services for me at the time. Can it be done today?