years. yeah, it's been a while. saw my mom over thanksgiving, first time in two years. i got my booster shot. i was due for it, so i got that. been wearing my mask. i ended up switching my seat to be next to one person instead of three other people. so just to keep my distance. so yeah, my whole family is vaccinated and we felt safe. it was just immediate family. just like ten people. >> reporter: tsa tells us that screening through their security checkpoints is down this holiday season. christmas and christmas eve compared to the same time period back in 2019. so prepandemic levels. and they contribute some of that to the coronavirus, the omicron variant that is spreading rapidly with cases arising across the country, and also all of the thousands of cancellations and delays. nadia romero, cnn, atlanta. the cruise line industry is facing disruption again because