Might not be precisely what you're looking for, but this is pretty good:
SPOTTERS - SPecial Over The Top Email Request System. Using that, I can tell that my STN-SNN aircraft - EI-DWO - on the 16th July flew SNN-STN-SNN-STN-SNN-BVA-SNN-CRL-SNN, and that my SNN-STN aircraft - EI-CSX - on the 16th July flew SNN-GRO-SNN-LTN-SNN-STN-SNN-STN-SNN.