Southwest apologizes for meltdown; flyers still stranded

[GoodTaste]

Southwest apologizes for meltdown; flyers still stranded
Five-hour wait times, flight shopping and a rental car rush: Southwest cancellations send travelers scrambling

Source: USAToday
https://www.usatoday.com/
https://www.usatoday.com/story/trav...-cancellations-company-apologizes/6083634001/

Does "meltdown" here (informally) mean "a sudden disastrous failure with potential for widespread harm"?

 

[Rover_KE]

It's not so much harm as inconvenience or disruption to passengers' plans.