It means the item was sorted to the wrong office & is in the process of being re-routed Sam.

Does Hermes on its way mean it will be delivered today?

We've got it

We'll deliver your parcel within the agreed time, depending on the service chosen by the sender this will be; next day, 48 hours or 3 to 5 days.

What does shipment en route mean Hermes?

It means your parcel is on its way to your local courier.