In Germany: Nowhere because the Deutsche Bahn is late again:
https://www.dw.com/en/germany-a-third-of-long-distance-train...
https://www.theguardian.com/business/2023/oct/14/its-the-sam...
The whole torture is accompanied by awkward excuses like "unexpected staff shortage", "technical disruption", "signal repairs", or "delay due to earlier journey" which you can look at in an app that tends to not work while you wait and freeze.
Bonus: If all else fails, you can play "Bahn Bingo" while you reflect on the experience of your trip: https://www.bahnbingo.de/