The honeymooning couple who saved a United flight after they spotted fuel pouring out of one of its wings on Wednesday have been left feeling betrayed by the airline.

Newlyweds Mike and Rachel Brumfield were on United flight 170 from New Jersey to Venice, Italy, on Tuesday night when they spotted the disaster-in-waiting and were taken off the plane along with the rest of the passengers.

But that night Mike posted a photo of Rachel curled up on the floor of the airport with the caption 'My beautiful bride on our honeymoon. Thank you, United Airlines.'

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Newlyweds Mike and Rachel Brumfield were on United flight 170 from New Jersey to Venice, Italy, on Wednesday when they spotted gallons of fuel pouring out of the plane's wing

The plane (pictured) was taxiing to the runway at Newark Liberty International Airport when the fuel spill occurred. Everyone was evacuated but the honeymooners were left stranded

Rachel (pictured) and Mike were not given a voucher for a hotel and had to sleep on the airport's floor until another passenger gave them his voucher

Mike's rant continued: 'We saved your united flight 170 from possibly crashing into the Atlantic, you praised us saying you'd take GOOOOD care of us, then canceled the flight and disappeared.

'We landed 11 hours ago. We're stranded. Every hotel booked. And they have no idea where our luggage is and don't seem to care.

'We're supposed to be in Venice right now, starting a romantic day. But, luckily, several united airlines employees have been super rude to us, so at least there's that!!'

Rachel was left in tears as they searched frantically for a plane that would get them to their honeymoon cruise that night, the New York Post reported.

They managed to book a Delta flight at the last minute, but United only gave them a food voucher - and no accommodation.

Brumfield posted a rant alongside the image of Rachel on the floor, with a long rant about they felt betrayed by the airline

The Brumfields say United staff were rude to them and didn't help them get to their planned cruise. It's unclear what caused the leak, where it originated or how much fuel was spilled

They slept on the floor of the baggage area until 7:30am - at which point they were spotted by another passenger who gave them the hotel voucher he had been given.

And another passenger hired them a limousine to take them to JFK airport for their new flight.

When contacted by the New York Post, United only gave a general statement about the flight's cancellation, and did not address the Brumfields' claims.

The plane was taxiing to the runway at Newark Liberty International Airport when the fuel spill occurred.

Witnesses said the fuel came from the edge of the plane's left wing. It's still unclear what caused the leak, where it originated or how much fuel was spilled.

The couple eventually made it to their cruise on a Delta flight. They said another passenger booked them a limousine to take them from Newark airport to JFK

The flight was scheduled to depart for Venice at 6.55pm Tuesday night.

Passengers aboard the plane were put up in a hotel overnight, and the airline was hoping to book them on a new flight Wednesday.

A passenger on the plane also recorded the fuel spill. Several upset people could be heard in the background talking about the spill and one person asked: 'What could that be?'

Another person can be heard saying: 'That is not normal.'

The fuel spill adds to the latest PR disaster for the beleaguered airline, which recently came under fire after a video, obtained by KPRC, showed a United Airlines customer service representative pushing a 71-year-old man to the ground.

The victim, grandfather and frequent flyer, Ronald Tigner, was knocked unconscious after the he asked the customer representative a question about his boarding pass.

Tigner, is now suing the airline and the employee who shoved him - Alejandro Anastasia - for negligence. He is seeking more than $1 million in damages.

This lawsuit comes just two months after United was forced to issue an apology in April when 69-year-old doctor, David Dao, was injured by Chicago airport security officers who were called to remove him from an overbooked plane.

The confrontation was captured on cellphone video and went viral. United later apologized and reached an undisclosed settlement with Dr Dao.

On June 6, Chinese tennis player, Zhang Shuai, 28, accused United of being 'rude', 'disgusting' and 'arrogant' after an alleged dispute with a staff member.

In the last month, several incidents have been reported on United flights (file image). In May, passengers reported being attacked by a scorpion that caused a flight to evacuate and one passenger received a pay-out after her giant bunny froze to death on a United flight

Zhang claimed on social media that a 'rude' female worker from the American carrier snatched her passport and tore her boarding pass in Tampa, Florida, last week.

China's No. 1 tennis player said the worker was trying to stop her from bringing her racket bag onto the flight, claiming it was too big.

The US airline has apologized to Ms Zhang and said what Ms Zhang described 'does not reflect the positive customer experience we strive to offer'.

In the last month, several incidents have been reported on United flights. In May, passengers reported being attacked by a scorpion that caused a flight to evacuate.

Another passenger received a five-figure compensation pay-out after her giant bunny froze to death on its way to America while traveling with United.

Also in May, United issued an apology to Henry Amador-Batten, a gay father, who was flying with his son to their North Carolina home when he was accused of inappropriately touching his son.