联合航空公司由于芝加哥业务中心发生火灾警报,所有主线航班均停飞。 United Airlines grounded all mainline flights due to a fire alarm at its Chicago operations center.

由于在芝加哥的运营中心发生火灾报警, 联合航空公司周四暂时停飞美国所有主要航班. United Airlines briefly grounded all its mainline flights across the U.S. on Thursday due to a fire alarm at its operations center in Chicago. 雇员在返回主中心前被疏散到一个后备设施,抬起地面站。 Employees evacuated to a backup facility before returning to the main center, lifting the ground stop. 虽然United Express区域航班不受影响,但一些主线航班出现延误。 While United Express regional flights were unaffected, some mainline flights experienced delays. 这一事件沿袭了承运人先前面临的操作问题。 This incident follows previous operational issues faced by the carrier.