I am currently a BA silver and therefore have lounge access which is the most important aspect but have a question about discounted tickets and the best programme to join in ow.

I will be flying a lot on Iberia probably 12 trips all of 4 segments and all discounted. The earning rate on BA would only be 25% and no status, and IB doesn't look much better. Is there any programme that would beat AY 50% earning?