We are having issues with any Scheduled jobs running after Fall DST changes just occurred, nor can any new jobs be scheduled. We are running 2019.3.5.17947.
Hello @sean_bolte_dup_544, please restart your Alteryx Service. That should resolve things for you.
https://community.alteryx.com/t5/Alteryx-Server-Knowledge-Base/Schedules-stop-being-queued-but-can-still-be-viewed-in-Gallery/ta-p/481605