captioning sponsored by cbs ♪ >> yuccas: tonight, canceled christmas plans. more than 1,000 u.s. flights grounded this weekend, as covid ravages airline staffing. will travel return to pre- pandemic levels? >> i'm liliana luciano at l.a.x. with some of the highest numbers of holiday flight cancellations. >> yuccas: plus, the virus forces worshipers online for christmas services. >> i'm elise preston in new york, where many are disappointed they can't celebrate the holiday together. >> yuccas: at the vatican, pope francis prays for healing and peace. also tonight: the queen's speech. britain's 95-year-old monarch reflects on a year of loss for her family and so many others. >> i wish you all a very happy christmas.