British Airways is struggling with a major computer system failure as passengers at airports around the world complain of delays and long lines. @British_Airways @flySFO almost 2 hours waiting to check in due to apparent global system failure. Related: How do airline computer systems work? Less than three weeks before that, Southwest Airlines (LUV) canceled more than 1,000 flights following a system failure. Correction: An earlier version of this story misstated the day of the week when passengers reported problems.

Source: CNN September 06, 2016 03:00 UTC