I only have refrence of UK which is a known hell hole for trains (the last train I took in the the UK was >3hrs late and missing 2 carriages, so packed.)
Last year, 90.9% of all trains ran on time in the UK. That figure may not be ideal, but to put it in perspective - it's far better than what most airlines achieve. I don't know how it compares to trains in the Netherlands, but I'd be surprised if it's that much worse.
This figure also varies widely between train companies, with commuter operations like London Overground, c2c, Merseyrail, and Chiltern often achieving >96% on time performance, while Long-distance routes tend to perform worse.
Since your journey was delayed by more than an hour, you may be entitled to a full refund of your fare. (Exceptions apply for situations outside the control of the train company, such as extreme weather)