We've resolved the issue. Queries should be working normally again.
Posted Aug 31, 2016 - 21:08 PDT
Update
We've temporarily disabled querying realtime data in order to help isolate the issue.
Posted Aug 31, 2016 - 20:57 PDT
Identified
We've identified an issue that is causing a small percentage of web reporting queries to hang or fail. We are working on resolving this issue ASAP. Apologies for the inconvenience.