However, more than seven weeks' worth of television and film entertainment will also be provided to the passengers during the journey of 16,700 kilometers (10,400 miles).
Singapore Airlines launched the world's longest commercial flight to NY on October 11 night with its Airbus A350-900 ULR taking off from the Changi International Airport. While 67 people in business class and around 94 in premium economy, with no regular economy seats available.
Also near the top of the world's mega-flights, is the Philippine Airlines Manila to London service, which takes more than 15 hours. "I slept soundly, woke up and realized (there were) around eight hours left", said Ong, who took the first flight back to Singapore, straight after landing in Newark.
Passenger Peggy Ang, 52, said before the flight that she felt "apprehensive because I'm not sure what would I do in 18.5 hours" inside the plane.
Singapore Airlines has relaunched this lengthy flight, five years after they withdrew it because it had become too expensive.
The world's largest flight from Singapore to NY can take up to 18 hours and 45 minutes under the normal weather conditions.
Once the marathon flight is completed, they'll officially eclipse Qatar's current record-holding Auckland to Doha flight of 17-and-a-half hours as the world's longest.
The twin-engine plane uses a modified system that burns 25 per cent less fuel than other aircraft of a similar size, Airbus said.
The airline says the aircraft offers increased cabin pressure to offer passengers more oxygen on board, less noise and LED lighting to help combat jet lag.
"My cousin said 'hey, this is in the press.' I'm going to take pictures and show her", she said.
As with other Singapore Air long-haul routes, you can eat local favourites such as chicken rice and beef hor fun, or 'Book the Cook, ' a service that allows you to order dishes like lobster thermidor or rib-eye steak up to 24 hours before the flight.
But the carrier is hoping that the introduction of more fuel-efficient planes will set cash registers ringing even as crude prices soar above $80.
The airline is banking on the use of technology to control its fuel bill, as oil hovers around $80 per barrel. In this case, I present to you the Airbus A350-900ULR.
SIA is offering new services to New York (Newark), San Francisco and Los Angeles and, in all, it will be operating 27 non-stop services each week from Singapore to the United States by the end of this year.
Four airlines now connect Singapore to six U.S. cities.