A massive computer outage stranded United Airlines passengers at airports across the country Thursday. Peter Greenlaw collected his luggage after his flight from Philadelphia was delayed more than two hours. He was more than one hour late for a meeting downtown. | Rich Hein~Sun-Times

United Airlines Terminal showing no delays despite computer problems Thursday, Nov 15, 2012. | Rich Hein~Sun-Times

United Airlines Terminal showing no delays despite computer problems Thursday, Nov 15, 2012. | Rich Hein~Sun-Times

A massive computer outage stranded United Airlines passengers at airports across the country Thursday. Tess Beeler collected her luggage after her flight from Washington D.C. was delayed more than two hours. | Rich Hein~Sun-Times

A massive computer outage stranded United Airlines passengers at airports across the country Thursday. Tess Beeler collected her luggage after her flight from Washington D.C. was delayed more than two hours. | Rich Hein~Sun-Times

A massive computer outage stranded United Airlines passengers at airports across the country Thursday. Sylvia Campos waited for her cousin who was arriving on a flight from Philadelphia that was delayed more than two hours. | Rich Hein~Sun-Times

A massive computer outage stranded United Airlines passengers at airports across the country Thursday. Sylvia Campos waited for her cousin who was arriving on a flight from Philadelphia that was delayed more than two hours. | Rich Hein~Sun-Times

A massive computer outage stranded United Airlines passengers at airports across the country Thursday. Sylvia Campos waited for her cousin who was arriving on a flight from Philadelphia that was delayed more than two hours. | Rich Hein~Sun-Times

O'Hare Airport

O'Hare Airport