United Apologizes After Using ‘93’ and ‘175’ Flight Nos.
Thursday, 19 May 2011 | by Pat's Picks

United Airlines issued an apology yesterday after assigning the numbers ‘93’ and ‘175’ to two flights reports the Pittsburgh Tribune-Review. United Flight 175 was the plane that struck the South Tower of the World Trade Center on September 11; Flight 93 crashed in Pennsylvania. The airline says the numbers have now been removed from its computer system.