In a week/ some days before a flight, do sell “stand by tickets”, to a cost of approx. Euro 50 in Europa, Euro 200 intercontinental, , to increase the cabin factor.

A lot of ground equipment is still driven by internal combustion engines, and can be upgraded to run on electric instead for better efficiency.

Let's start by using SAF at least for domestic flights.

Travel light = bring less than 8 kg. If you do so, you should be rewarded with points. If not, SAS will use the extra money you have to pay for sustainability investments.

Free reebooking to earlier flight when avilable. Result in filling up seats, and making it more likely to fill up seats on later flights

Use powder soap instead of liquid soap in all lavatories, powder soap is much lighter thus reducing wieght.