Clearly, this lovelorn lass didn't quite grasp that "What happens in Vegas, stays in Vegas" doesn't apply to international airspace.
For her troubles, the unnamed passenger was then cuffed to her seat for the rest of the flight. On landing, she was questioned at the Las Vegas airport before being released with a warning.
Who knew the walk of shame would extend to the tarmac.
Chloe Pantazi is an editorial assistant on Thrillist's travel team. Yes, that's a British accent. No, she doesn't watch Doctor Who. Follow her on Twitter at @ChloePantazi.