This is just brilliant

Uploaded by Flightradar24 on their Twitter account.

Time FLIES when you're having fun ✈️#avgeek [Total flight time: 18 hrs, 1 min]

EDIT:
Found some more info.

This was a testflight, supposed to take 17 hours. To make it more interesting the draw the image of the plane over the USA.
During this flight they crossed 22 states.

Hey, it makes a difference from just flying back and forth, right?