As boarding, tickets, and pilot communication channels were affected by the outage, passengers were hit with delays and cancellations. AdvertisementScott Sanders, a passenger at Seattle-Tacoma International Airport, told Business Insider that people were sleeping on the ground due to the disruption. Sanders' flight to Cincinnati/Northern Kentucky International Airport (CVG) had been scheduled to depart on Thursday at 10:55 p.m. 'Tired and hopeless'At Los Angeles International Airport, Sarah Patterson experienced a similar disruption. "We sat on the tarmac for an hour, and they said it was a technical issue with Microsoft," Ebule told BI.

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