Not exactly snakes on a plane but ...

Maggots fall on woman during Delta flight to Detroit: 'She was freaking out'

A passenger on a flight from Amsterdam to Detroit said maggots fell on a woman next to him from an overhead bin, causing the plane to turn around an hour after departing.

"She was freaking out," said Philip Schotte, a Netherlands native who lives in Iowa. "She was just trying to kind of fight off these maggots."...

"Their trip was interrupted due to an improperly packed carry-on bag," according to Delta. "The aircraft returned to the gate and passengers were placed on the next available flight. The aircraft was removed from service for cleaning."
Watch the video at the link to get a better sense of what happened.

Somehow I found it odd that the story included a file photo of maggots or that such a photo is even kept on file.