page = covid-19 : npr url = https://www.npr.org/tags/804916759/covid-19 analysed @ 2021-12-25 00:09 UTC In a preemptive move, United, Delta and others canceled dozens of flights scheduled for Friday. They say the omicron spike has left them with staffing shortages.
In a preemptive move, United, Delta and others canceled dozens of flights scheduled for Friday. They say the omicron spike has left them with staffing shortages.