When the 68, 95 and 99.7 % rule holds

Employees' commute to work (n = 640): mean 24 min, standard deviation 16 min, median 18 min, Q1 11 min, Q3 31 min, skewness 1.9.

A colleague wrote: "By the 95 % rule, the commute of 95 % of employees takes from −8 to 56 minutes."

What is wrong with that?