You could offer cheaper tickets during these hours, encouraging passengers to choose more eco-friendly flights based on fuel efficient routes, altitude and time slots.

Make flight space available for package distributors ex. DHL for a fee. Might save their flight and truck if packages can go with regular airplanes.

Stop giving away perks for children. They'll all end up in the garbage anyway.

In the app, the PAX can choose what they don't want/need from what is included in their ticket. No checked-in luggage get EB points. No meal, no headphones, no kit +++.

For every mile the aircraft flies overseas, SAS commits to a certain amount of plastic being removed from that ocean.

Track meal consumption on connecting flights to adjust service timing, avoiding back-to-back meals for better passenger comfort.