Thousands of flights cancelled due to COVID-driven staff shortage

Christmas travel plans have once again been thrown into chaos by the coronavirus pandemic. In the United States, sick and isolating airline employees are causing severe staff shortages, causing the cancellation of hundreds of flights. The highly transmissible Omicron variant has forced airlines to cancel more than 4,000 flights worldwide. Al Jazeera's @Gabriel Elizondo reports from Newark Airport in New Jersey, United States. Subscribe to our channel: http://aje.io/AJSubscribe Follow us on Twitter:   / ajenglish   Find us on Facebook:   / aljazeera   Check our website: https://www.aljazeera.com/ #AlJazeeraEnglish #UnitedStates #COVID19