Q&A for experienced flyers, pilots, and builders of drones and model aircraft
DECLARE @TransportTime DATETIME, @Bkg_TimeStamp DATETIME; SET @Bkg_TimeStamp = '2020-12-01 07:08:01.000' SET @TransportTime = '2020-12-01 07:03:02.000' select (case when @TransportTime > @Bkg_TimeStamp then '-' else '' end + (format(abs(datediff(S, @TransportTime, @Bkg_TimeStamp)) / 3600, '00') + ':' + right('0' + cast(abs(datediff(S, @TransportTime, @Bkg_TimeStamp)) % 3600/60 as varchar(2)), 2) + ':' + right('0' + cast(abs(datediff(S, @TransportTime, @Bkg_TimeStamp)) % 60 as varchar(2)), 2))) as WaitTimes;