It is estimated that two million domestic animals travel on commercial flights every year, with most secured inside the cargo hold for the duration of the journey.
But knowing how stressful this can be for the animals, a flight attendant has issued a desperate plea to owners who need to travel with their pets this summer.
Taking to Reddit, she said: "If you checked your dog, there's about a 30 per cent chance it's terrified before it even gets on the plane. Who knows how scared it gets during the actual flight.
