Authorities in the United States have reviewed airport security footage as they continue to investigate how a woman sneaked on board a Delta Air Lines flight from New York to Paris without a ticket last Tuesday –– one of the busiest travel days of the year.

The same passenger who stowed away on a Delta Air Lines flight to Paris caused a disturbance on a flight to New York on Saturday, an aviation official said.

A stowaway who sneaked onto a Delta Airlines flight from New York City to Paris and hid in bathrooms earlier this week was removed from what would have been her return flight back to the U.S. on Saturday,