Make the app as lightweight as possible. Remove images, animations and leave only the bare necessities. This saves data transfer and storage - which in turn saves energy.

Fill up empty seats by selling affordable return trips to unknown/secret destinations. Pick the destinations among those that have low occupancy close to departure time.

Veggie first airline should be implemented. Not only for Sustainability reason, also to meet the modern traveler expectations

Do not carry tax-free goods on flights. Use as online service and if necessary in partnership with partners allowing pick-up at airports.

Allow users to visualise their travel carbon footprint in-app. Include everything such as transportation to/from the home and destination, hotels.

Let passengers plant biodegradable seeds after their flight, supporting sustainability. Enhancing environmental responsibility and passenger engagement.