87.2% of all trains are less than 6 minutes late. These figures are used by NMBS and Infrabel as the official punctuality figures for 2018. However, an internal Infrabel document shows that only just under half (49.1%) of all trains in Belgium arrive on time when a stricter punctuality norm of a 1-minute delay is applied.
Things are even worse during the peak period in the morning. Just 40.7% of trains are on time between 6am and 9am.
It is a similar picture during the evening peak with just 39.7% of the trains arrived lest than a minute late. Punctuality during off-peak hours and at weekends is better at above 50%. The figures for 2018 are almost all worse than for 2017.