Adding another datapoint as I was just scheduled for my interview.
I am filing under 3 year rule and have a concurrent I-751 pending as well. This will be a combo interview.
FO is Nashville. I was expecting it to take a lot longer but am positively surprised to get the interview scheduled already.
3-27-2025 - Submitted N-400
6-24-2025 - Interview Scheduled
8-5-2025 - Interview Appointment