In practice it does feel like basically every single Amtrak is delayed after just a few stops, so I would be shocked if the situation is worse in Germany. Howev

In practice it does feel like basically every single Amtrak is delayed after just a few stops, so I would be shocked if the situation is worse in Germany. However to put some numbers on it, here are Amtrak's own stats: https://www.bts.gov/content/amtrak-time-performance-trends-and-hours-delay-cause https://www.bts.gov/content/amtrak-time-performance-trends-a.... In the flagship northeast corridor (that's Boston - NYC - Philadelphia - DC) the "on-time" percentage is around 80%, where on-time is within 20 minutes. In the rest of the country Amtrak blames freight companies for most delays (https://www.amtrak.com/on-time-performance https://www.amtrak.com/on-time-performance), and frankly I am inclined to agree with them. Amtrak does not own those lines and does not have priority on them, and the freight companies don't give a shit about anyone. See for example https://www.propublica.org/article/trains-crossing-blocked-kids-norfolk-southern https://www.propublica.org/article/trains-crossing-blocked-k... and the rest of ProPublica's excellent series on the industry.