TRAVEL
05/18/2011 02:44 pm ET Updated Jul 18, 2011

United Airlines Apologizes For Reusing 9/11 Flight Numbers

United Airlines briefly reinstated flight numbers from two of the planes that were hijacked on September 11, 2001 and is apologizing for the move.

Numbers 93 and 171 went back into use likely within the past few days, apparently due to a technical error, the Associated Press reports.

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