Everybody gets a bed seat on long haul flights.

Duty free replaced by places to pick up stuff you might need for your trip but also some places to grab last minute gifts

Screaming pods for people traveling with infants.

Humidifiers or something to deal with the gross drying out effects of air travel

Blimps covered in solar panels 

Wine, so much fucking wine.

Power outlets for every fucking seat in the lounge and for every seat on the plane

Flight attendants have the right to make you sit with the baggage if you’re being a shit.

Try to fix the pressurization issues that make infants scream on planes in the first place