Travel Double whammy: United says coronavirus surges and new quarantine rules are denting travel demand – again July 7, 2020July 7, 2020 Dawn Gilbertson, USA TODAY Comments Off on Double whammy: United says coronavirus surges and new quarantine rules are denting travel demand – again COVID-19 surges in Sun Belt states and new quarantine rules have combined to drive down travel demand, United Airlines said Tuesday.