Loads were historically 80%. This means a row of 6 has 4.8 occupants. No empty row, one open middle, potentially.

the best data is probably flight aware , where you could load 30 trips of you r flight number, look at the load, then try to see if season, day of week , time of day gives you the edge.

‘you can then discuss it with your seat mate on your 95% loaded flight.