some of the groundings were caused by bad weather and maintenance, several airlines acknowledged the impact of the current wave of cases. imagine thinking we are going to travel. you get here and it s canceled. today, more than 2,000 more flights have been canceled globally, including more than 600 in the united states alone. nadia row mayor roy live at hartsfield jackson in atlanta with the latest. nadia. reporter: well, good morning, john. and it is so busy at the airport today. it s only gotten busier from friday to saturday to sunday now to today with so many people trying to get out, get back home after the holidays. 700 flights canceled before 6:00 a.m. you can imagine that ripple effect it will have. we spoke to so many travelers who said they were checking their phones fran lickly hope