I don't think it should be a concern provided your AOR was only Feb 26th. Every case is unique for CIC, so the time taken to process an application as a whole can vary significantly between each applicant. While the time taken to process an application can be affected by the accuracy of data submitted, the amount of information added to LOE, etc., etc., only CIC can exactly tell why some applications are processed faster while some takes a longer time. I have seen people getting their PR processed in less than 3 weeks, while there are others waiting since 2017.
Considering the average time taken to process 80% of the applications within 6months per CIC, I would set an average expectation of 90 days from the AOR for application as the best case scenario. If at all your application takes longer than that, please don't be worried, everything happens for a reason, everything is for the good, just stay positive, you should hear the good news sooner or later.