The only other thing I would suggest is buying an apple AirTag. It will at least give you the comfort of knowing exactly where your luggage is
On my 38 day trip to Europe and Scotland and Ireland last year I ended up taking six airplanes (includes layovers), including a KC-135 from Mildenhall to McGuire.
Admittedly, I was traveling a little bit off-season late August through early October, but seeing the AirTag every time I landed made me feel good