Plane is reported to be a MD-87 (variant of the DC-9) can carry around 100+ passengers depending on configuration.
The McDonnell Douglas MD-87 rolled through a fence and caught fire in a field while attempting to depart from Houston Executive Airport in Houston in Brookshire near Katy, the Federal Aviation Administration said.
All 21 people aboard 18 passengers and three crew members were evacuated safely. One person was reported injured.
Plane would appear to be lightly loaded so mechanical failure or birdstrike seems most likely cause of crash.
https://www.click2houston.com/news/local/2021/10/19/fire-crews-responding-to-report-of-plane-crash-in-katy/