If the air conditioner takes much longer than usual to cool, check the filter, vents, and outdoor unit for blockage

https://coolairtroubleshooting972.evergrovio.com/posts/weak-ac-airflow-common-causes-and-simple-fixes

If the air conditioner takes much longer than usual to cool, check the filter, vents, and outdoor unit for blockage. Persistent delay often means a mechanical issue.