Use more big size bottles and not small cans/bottles

Dynamic seating - people with checked in baggage should be placed towards the rear of the plane as they are more likely to have to wait anyway on arrival at destination.

Make a “code-share” cooperation with train providers, to allow for booking a ticket from A to B with combined train-plane modality and same benefits as connecting flight

Finger food that's easy and clean to eat reduces the need for cutlery and packaging. That's less weight and packaging and opens up for fun, hearty snacks.

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

Eco-friendly air travel with quieter flights and reduced carbon emissions