Like any situation that is out of the norm, it is a stressful time for humans as well as pets. With all the checks, strange people, strange smells and noises, can be stressful for the pet but once the pet has gotten over the initial separation anxiety and they are loaded onto the aircraft, they then tend to have a very relaxed trip and as they can lie down flat and sleep, they almost always look better then their owners when getting off a long haul flight.
