You can spend a long time walking through an airport and still see no dogs or cats at all.
That raises an obvious question: if pets can fly, where did they all go?
The short answer is simple.
Checked pets usually travel through a route that passengers barely see.
And no, their crates normally do not arrive on the baggage carousel between two suitcases like an unexpected piece of oversized luggage.
This article focuses mainly on ordinary pets checked on Japanese domestic flights with ANA and JAL: how they reach the aircraft, where they stay during the flight, why you may never hear them, and how owners get them back after landing.
1. You rarely see pets because they quickly leave the passenger route
Passengers move through check-in, security, the gate, the cabin and baggage claim.
A checked pet takes a different path once the handover is complete.
ANA says pets are transported to the aircraft by vehicle. JAL says pets are kept near the counter as long as practical before departure and are then taken to the plane by cart.
So the pet is not walking around the terminal beside its owner for the whole trip.
The visible window is short.
That is why you can spend hours at an airport and still think, “Apparently there are zero dogs here today.”
2. How do pets board? Not through the passenger gate
Ordinary checked pets travel in a crate.
After check-in, staff move the crate to the aircraft using airport vehicles or carts.
There is no line of dogs scanning boarding passes and walking down the jet bridge behind row 32.
Their boarding process is much more logistical:
owner says goodbye → crate waits → vehicle to aircraft → crate loaded into the hold
Most of that happens behind the scenes.
3. Where are they on the plane? In the cargo hold below the cabin
ANA and JAL state that checked pets travel in the aircraft’s cargo hold, specifically the bulk cargo compartment.
A passenger aircraft is not just a tube full of seats.
Below the cabin floor is a large space used for baggage and cargo.
Pets in approved crates can be carried there as well.
ANA explicitly notes that baggage and other cargo are loaded in the same hold.
So this is not a secret pet-only floor.
There is no hidden “DOG LOUNGE” or “CAT SUITE” underneath economy class.
4. Is it a luxurious pet room? Not exactly
The hold used for pets has temperature and humidity management.
However, both ANA and JAL warn that its environment is different from the passenger cabin.
Loading and unloading also happen outdoors, so pets can experience seasonal changes in temperature and humidity.
ANA additionally explains that the hold becomes dark when the lights are turned off in flight and that animals may hear engine noise, mechanical sounds and airflow noise.
So the best mental image is:
not pet first class, but a climate-managed transport space.
Pets are handled carefully, but there are no seats, windows, cabin crew or inflight service.
They are VIP cargo, not hotel guests.
5. Why can’t passengers hear barking?
The cargo hold and passenger cabin are separate spaces within the same aircraft.
The cabin floor and aircraft structure sit between them, while the passenger cabin already contains continuous background noise from engines, airflow and ventilation.
That means a dog barking below may not arrive upstairs as a clear, recognizable “woof.”
Airlines do not publish a simple promise such as “dog barking is reduced by X decibels,” so it would be wrong to claim perfect sound isolation.
But one thing is clear:
not hearing a dog does not prove there was no dog on board.
The animal may have been there without passengers noticing.
6. Are the dogs barking the whole flight?
It depends on the animal.
A strange place, separation from the owner, vehicle movement, mechanical noise and darkness can all be stressful.
ANA warns that the transport environment can affect an animal’s condition and advises owners to watch for signs such as shaking, rapid breathing or continued anxiety after arrival.
But there is no good basis for saying that every dog barks for the whole flight.
Some dogs may be anxious. Others may settle down, especially if they are comfortable in their crates.
So a scene like this is possible:
Dog below: “WOOF! Where is my human?”
Passengers above: “This flight is pretty quiet.”
Possible? Yes. Guaranteed every flight? No.
7. Do pet crates come out on the baggage carousel?
Usually, no.
JAL says staff carefully bring pets to the baggage claim area and hand them directly to the owner.
ANA likewise says staff return the pet directly to the passenger.
So arrival effectively has two channels:
- suitcase: collect it from the baggage belt
- pet: receive the crate directly from staff
A pet owner may therefore collect ordinary luggage and separately wait for the animal handover.
The timing does not have to match the final suitcase on the belt.
If you miss that brief handover, you can stand in baggage claim and never see a single animal.
8. The pets are not absent. They are mostly out of sight
Put the whole route together:
- Owner checks in the pet
- Staff take over the crate
- Vehicle or cart moves it to the aircraft
- Pet travels in the hold below the cabin
- Staff unload it after arrival
- Pet is handed directly back to the owner
The pet overlaps with the ordinary passenger route only briefly.
So “I walked around the airport all day and saw no pets” is completely plausible.
There may still have been a dog flying underneath your feet.
9. Aircraft have much more space below you than they appear to
Sitting in a seat makes an aircraft feel like a narrow tube full of people.
But below that floor is a major logistics space.
Bags and cargo are loaded there, and larger aircraft may use standardized cargo containers.
Passengers see only one part of the machine.
Underneath them may be suitcases, freight and, on some flights, a dog or cat.
That is why luggage seems to disappear at check-in and somehow reappear hundreds of kilometers later.
While passengers are waiting at the gate, an entire parallel freight operation is happening out of sight.
10. Conclusion: the dogs did not disappear; they took the backstage route
Not seeing dogs or cats in an airport does not mean no pets are flying.
Ordinary checked pets use a separate handling route, travel in crates in the hold below the cabin, and are normally returned directly to their owners after landing.
The hold is managed for transport, but it is not a luxurious pet suite and its environment is not identical to the passenger cabin.
So the reason airports can feel strangely pet-free is simple:
the pet route and the passenger route barely intersect.
You can finish a flight thinking, “There were no dogs anywhere,” while one may have been quietly traveling below the cabin the whole time.
References (2)
- ANA, Pets on Japanese domestic flights
https://www.ana.co.jp/ja/jp/guide/reservation/support/domestic/pets/ - JAL, Domestic pet travel service
https://www.jal.co.jp/jp/ja/dom/support/pet/
Checked on October 5, 2026. Rules vary by airline, route, aircraft, airport and animal. Assistance dogs and international travel may follow different rules.


