The video is from August 2021.
Flying migrants out of Texas was reported on in February and September 2021.
https://www.military.com/daily-news/2021/09/22/pentagon-setting-flights-migrants-amid-texas-border-surge.html
https://www.borderreport.com/hot-topics/immigration/mcallen-officials-working-with-tsa-and-border-patrol-to-help-migrants-get-on-flights-out-of-south-texas-they-say/
