The public server was busier today than it was earlier in the week,
has been consistently processing jobs.
You may know this already, but the best way to ensure that jobs
when the server is busy is to leave them alone to run. Do not
stop/restart them or they will move back to the end of the queue. Jobs
will run in the order submitted.
If you are having a specific problem, we can try to help if you
Galaxy Support and Training