United Continental to Retire Flight Numbers in 9/11 Attacks

United Continental Holdings Inc. (UAL) will permanently retire flight numbers 93 and 175, the designations of the United flights hijacked in the Sept. 11 terrorist attacks, after they reappeared on a computer reservation system.

The numbers were loaded erroneously May 16 because of an oversight and were removed today, Chicago-based United Continental said. Neither number will be used again, according to the airline, which was rebuked by unions representing pilots and flight attendants over the reuse of the numbers.

“The flight numbers were inadvertently reinstated in our system,” an airline spokesman, Rahsaan Johnson, said in an e- mail. “We have already taken steps to remove them and apologize for the error.”

Numbers 93 and 175 were assigned to Continental-operated flights that were also going to carry United’s booking code, according to Airlineroute.net, which tracks schedule data. United and Continental merged in October and will operate separately until regulators grant them a single certificate.

United Flight 93 crashed in a Pennsylvania field on Sept. 11, 2001, as passengers tried to retake the cockpit from hijackers who seized the Boeing Co. (BA) 757 en route to San Francisco from Newark, New Jersey. Flight 175, a Boeing 767, was crashed into the World Trade Center’s south tower on a flight to Los Angeles from Boston.

American Flights

Terrorists also crashed American Airlines Flight 11 into the north tower of the World Trade Center and Flight 77 into the Pentagon during the attacks. American parent AMR Corp. (AMR) doesn’t use those flight numbers.

The attacks killed 25 flight attendants and 10 other airline employees on the four planes, the Association of Flight Attendants said.

“We will never forget the heroic actions of our friends and colleagues or the pain of their loss,” Greg Davidowitch, president of the AFA unit at United, said in a statement.

United’s chapter of the Air Line Pilots Association said the planned reuse of the flight numbers showed “insensitivity and unconscionable disrespect.”

“The thought of anyone among management at United Airlines to even consider reinstating these two sacred flight numbers -- on the heels of Osama bin Laden’s death -- demonstrates a severe disconnect from right and wrong,” Captain Wendy Morse, the ALPA chapter chairman, said in a statement.

Almost 3,000 people died in the attacks orchestrated by bin Laden, who was killed this month by U.S. special forces who raided his hide-out in Abbottabad, Pakistan.

To contact the reporter on this story: Justin Bachman in New York at jbachman2@bloomberg.net

To contact the editor responsible for this story: Ed Dufner at edufner@bloomberg.net

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