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

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.

Reusable boarding cards for people without phones. Like the consius travelee bag tag.

Give/sell digital bag tags to frequent flyers

Allow free rebooking on the day of departure to a shorter route or a route with less stops when available, even in low booking classes and without status.

Option to sort by emission when booking flights