TMZ shared a picture of the critter that apparently hitched a ride to Atlanta.
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It's not clear how the additional cargo got on board the aircraft, but it's not the first time it has happened.
Back in 2017, following other controversies for the airline, there were two reported occurrences of scorpions on United flights.
In April 2017, a scorpion stung passenger Richard Bell on a United flight from Houston to Calgary when it fell from an overhead bin, according to CNBC.
A month later, a different flight was evacuated in Houston after a passenger spotted a scorpion crawl out of a fellow traveler's sleeve. It was determined he had not been stung.