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.