US flight chaos could be due to human error

Human error could be to blame for the flight chaos that affected more than 100,000 travelers across the United States.
https://www.smh.com.au/world/us-flight-chaos-could-be-due-to-human-error-20230112-p5cc86.html?ref=rss&utm_medium=rss&utm_source=rss_world US flight chaos could be due to human error