Of the runs of ICE 521 that arrived, 18 of 28 were less than 6 minutes late at the destination (30 days through 4 Nov). It usually arrives 2 minutes late. 2 of 30 runs were cancelled in full or in part. Measured by punctuality at all stops, it ranks 70 of 832 comparable ICE, IC and Flixtrain services.

The reason DB gave most often for late runs of ICE 521 was "Points failure" (3 of 12 late or disrupted runs; 30 days through 4 Nov).

The status at the top of this page shows where ICE 521 is today, how late it is, the next stop and the platform. It updates by itself while the page is open.