How do I see if it is real-time or not?
In the AtB app, real-time departures have a green dot in front of them. Times without a green dot are scheduled times.
To see the scheduled time for a departure showing real-time, you can tap on it and see the planned schedule time crossed out.
On screens at stops, all departures are real-time unless «ca.» (means: approximately) is shown before the time, which means it is a scheduled time.