According to details, at around 10am, the captain of the Etihad Airways aircraft reported to the Air Traffic Control Abu Dhabi that it had only one hour of fuel left...
... The aircraft had to hover in the skies of Abu Dhabi for around an hour before emergency measures were taken to manage any untoward incident. At 11.03am, the aircraft finally made a safe landing.
In flight refueling or EY airplanes are more fuel efficient than others?