French phrase
Je vais être en retard.
Meaning
I'm going to be late.
When to use it
A way to say that someone expects to be late. It often alerts family or friends when leaving late.
Example dialogue
Je vais être en retard.
I'm going to be late.
Dépêche-toi, on part dans cinq minutes.
Hurry up, we're leaving in five minutes.