Right now it appears you would have to create your own reports. They are simple SQL reports, but to get you started, here are the first two I created:
Tickets closed in last 24 hours:
Select
htblticket.ticketid,
htblticket.subject,
htblticket.ticketstateid,
htblticket.date As Created,
htblticket.updated,
Cast(Dateadd(minute,DateDiff(minute, htblticket.date, htblticket.updated), '2011-01-01 00:00:00.000') as TIME) as TimeToClose
From htblticket
Where htblticket.ticketstateid = 1
AND (Datediff(minute, htblticket.updated, CURRENT_TIMESTAMP) <= 1440)
Closed Tickets - Time to Close
Select Top 1000000 htblticket.ticketid,
htblticket.subject,
htblticket.date As Created,
htblticket.updated,
Cast(DateAdd(minute, DateDiff(minute, htblticket.date, htblticket.updated),
'2011-01-01 00:00:00.000') As TIME) As TimeToClose
From htblticket
Where htblticket.ticketstateid = 1
Those are both rather rough, but I mainly created them to run through Power BI for our dashboard.