lorqrz
In Frequently aksked questions about timetables postauto.ch i found interesting answers:
https://www.postauto.ch/en/help-and-contact/customer-service/timetable
If you need proof of a delayed Postbus, please take a photo of the screen with the timetable information on the Postbus or a screenshot of the online timetable just before getting off at your stop.
Good to know when my posauto arrives late😉
Kind regards Christoph