Running multiple dags with different id set to run every minute. Such statistics first release 23:58:26 next run 23:59:26 and then it started twice (according to the schedule logs) but this launch is not displayed on the web and then he reset to a round value and the next starts were at 00:01:00 and then plus a minute
The information I was looking for was in the documentation, but I couldn't find anything. There is a suspicion that there is some kind of time equalizer