By comparison, just one Brightline train arrived late in either direction during those same days, and it was fewer than five minutes delayed, according to Brightline’s website.
It isn’t exactly a fair comparison. Metrorail operates older trains on a tighter schedule, with more stops. Metrorail is grade-separated though (unlike Brightline), which should be an operational advantage.
Metrorail is run by Miami-Dade Transit, where over 20% of employees don’t show up to work every day. Commissioners are now considering an expanded role for the agency as part of the multi-billion dollar SMART plan (including another possible sales tax increase), which would add several new rail lines.