Flight attendant reveals exact question you should ask for upgrade with ‘99% success rate'

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A flight attendant has revealed how to bag a first class upgrade - and she claims there's a '99 per cent' success rate to her method.

We all hope that one day we manage to luck out and end up in first class, but if there's anything we can do to up the chances, then we're all ears.

However, TikToker @cierra_mistt explained that there are two methods you can try.

While you might think that choosing a seat on the back row of the plane is the worst idea ever, Cierra explains that choosing one of these spots could mean you have a better chance of being upgraded.

She said: "One thing the airlines don't want you to know is that for the majority of flights, we have to move people for weight and balance purposes.

"When we move people all the way up to the front it's not just because we are being nice, but normally if our flight is full we have to move people."

She explained that the crew will often move passengers from the back - starting from the furthest row - to the front.

"If that's the case, the flight attendants are going to choose the people in the very last row to go up front, because then they can sit down there after doing their service," she said.

When it comes to the second method, Cierra says it has a '99 per cent success rate'.

First off, she recommends listening out to find out if your flight is full.

If this is the case, the attendant on the gate will often ask for volunteers to switch flights.

Often, there'll be freebies or discounts in return - but Cierra advises not accepting these.

Instead, she recommends: "First go to the gate agent, second give them a price and say that you want that in cash.

"When the gate agent is rebooking you for that next flight, make sure that they put you in first class to compensate for the time that you're losing."

Other TikTokers were quick to comment on her tips, with one person writing: "That last row one happened to me before."

While another said: "I’d rather not fly than sit in the back."

And a third added: "I picked the last seats for a trip to Amsterdam and was moved to business class and had 4 seats to myself…both ways!!"

Would you try this?