Re: If you really need to save those extra 3 hours
It's hard to see the economics of this.
For a flight over about 6000km its cheaper to land and refuel and climb than to carry the weight of the extra fuel all the time.
The service is going to have to be setup with more business and premium economy to get passengers.
You are limited by the number of people who want to pay more to fly direct in premium so you aren't going to be running a daily service, so you need other shorter all premium destinations to keep the planes busy.
And all the Gulf airlines are going to cut fares to recover customers when the US gets bored in Iran and they reopen