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

Ensure correct recycling of plastics by unwrapping meals and plastic protected crisp breads before handing to the customer.

Instead of "I don't want to earn any points on this trip", make the customer choose between earning points or donating points to charity

Develop solar-powered aircraft with energy storage systems to enable fully renewable, zero-emission long-haul flights within the next decade.

Even if you have a few seats in business. The planes will be filled as usual while providing better service with almost no additional carbon footprint.

Earn EuroBonus points for cancellation of non-refundable tickets at least x hours/days before departure, so SAS can sell the seat to someone else