Prediction not given on Jobstream alerts.
Jaws.log shows:
WARN [AutosysPredictionEngine] Prediction for <JobstreamName> at 2020/07/16 06:00:00.000 EDT timed out. Timeout period is 30
Release : 5.8.6
Component : AUTOMIC AUTOMATION INTELLIGENCE ENGINE
This can occur if trimming is not setup on a Jobstream or if the trimming is not trimming enough runs.
Ideally you should use the Auto Trim Options which are enabled by default.