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.

An unauthorized passenger bypassed the Transportation Security Administration and boarded a plane at JFK on Tuesday, officials said. The plane later landed in Paris. The stowaway passenger was aboard Delta Flight 264,

A source says a woman who stowed away on a New York to Paris flight entered a security lane reserved for flight crews and was able to evade a standard ID check. While in custody on a return flight, a passenger says,