How long are your GPUs working on #115?
If #110 was solved for 2 days, so with the same speed and the same luck you need 2days * sqrt(2^5) = 2 days * 5.66 ~ 11.3 days for #115. So, yes, if you started on 1 June, the estimated completion date 11-12 June
For #110 you was very close to sqrt(n) operations, but not the average 2*sqrt(n). That means that probably you should wait another 11-12 days to be close to the average and 50% probability to find the key.
EDIT:
I doubt you will find the #115 key tomorrow. Much more likely at the end of June, or mid July. But not tomorrow.
We almost reached 50% probability yesterday (~8 days of run, ~2^33 DP, DP25) but unfortunately everything was shutdown due to a storm
Fortunately the workfiles has been preserved but we have to restart clients and servers to recover from crash.
As there was no kangaroo backup we will get a DP overhead by restarting the work.
I don't know if Zielar restarted the GPUs, yesterday he was a bit nervous
We also get lots of troubles handling large workfiles (above 200GB) so I created a partitioned work file system (available on github) , an integrity workfile checker. We manage to re-merge all worfiles in ~24H.
The current release is tagged 1.10(unstable) but should work.
Hope it will go better now...