By Lauren Fruen For Dailymail.com
Published: 01:02 GMT, 17 February 2019 | Updated: 01:08 GMT, 17 February 2019
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Southwest Airlines has declared an 'operational emergency' due to grounded jets and threatened to fire mechanics who don't show up for work, according to reports.
In a company memo seen by CNBC the carrier said notes from doctors were needed if they were 'alleging illness' after an unusually high number of planes needed maintenance work.
Hundreds of their planes were delayed Friday, according to flight-tracking site FlightAware. Up to 100 were cancelled, more than any other US airline.
Southwest would usually expect 20 aircraft out of service each day due to maintenance work. This week they say the average has been double among its available fleet of around 750 Boeing 737s.
Southwest Airlines has declared an 'operational emergency' due to grounded jets and reportedly threatened to fire mechanics who don't show up for work
In a company memo the carrier said notes from doctors were needed if workers were 'alleging illness' after an unusually high number of planes needed maintenance work
The memo said mechanics, who
