The recent surge in COVID-19 cases due to the omicron variant has wreaked havoc for Christmas travelers.
This continued two previous days of problems.
On Christmas Eve, a total of 3,695 US flights were delayed and 690 were canceled.
On Thursday, there were 5,679 delays and 281 cancellations.
United, Delta and JetBlue were the hardest hit US airlines.
United confirmed Friday that its flight issues were relatedto the omicron variant.
In ablog post, Delta attributed delays to both omicron and winter.
Delta said it expects an increase in cancellations to continue through the weekend.
JetBlue didn’t immediately respond to a CNET request for comment.
The restrictions will be lifted on Dec. 31.
CNET’s Andrew Morse contributed to this report.
