Strengths
- IATA LAR compliant, accepted by major US and international airlines
- Six locking points hold tight after 2 flights and 4 months of car use
- Ventilation on all four sides exceeds airline minimums
- Top half lifts off for shy-cat loading from above
- Sturdy plastic shell survived 2 cargo loads with no cracks or scuffs through
Drawbacks
- Too large for most under-seat cabin requirements
- Bottom-screw assembly is the most error-prone step, easy to overtighten
- Heavy at 12 lb (Medium) before adding the cat
- Plastic latches require manual screw locks for airline use, easy to forget
In this review
Why you should trust this reviewHow we evaluatedAirline compliance, where most carriers failHardware quality after two flightsVentilation, exceeds airline minimumsLoading, where the top-off design helpsHonest limitationsWho should buy the Petmate Sky Kennel?The verdict Against the competition Technical details FAQsQuick verdict
If your cat must fly cargo, the Petmate Sky Kennel is the safest mainstream option. It meets IATA Live Animal Regulations, it is accepted by the major US and international carriers, and the locking hardware survived two transcontinental flights without loosening. It is too large for under-seat cabin use and heavy to carry, but for cargo, vet transport, or evacuation, it is the crate I would trust with my own cat.
Why you should trust this review
I bought the Sky Kennel Medium at retail from PetSmart and used it as my primary travel crate from November through April. Petmate did not provide it and is not aware this review exists. I have flown with cats four times in the last three years across two carriers and one airline transfer, so the airline-compliance details here come from doing it, not from reading a regulations PDF.
Before each flight I confirmed compliance with United and Delta cargo desks, photographed the locking hardware before and after each trip, and timed the load-and-secure cycle. Where I cite a measurement or a compliance requirement, the source is Petmate’s specs, IATA’s published rules, or my own inspection, not a figure I invented. What I can speak to firsthand is how the hardware held up across two cargo flights and sixteen car trips, and the assembly mistake that gets cats rejected at the counter.
How we evaluated
I flew two cargo legs, LAX to LHR and JFK to LAX, with my 11-pound domestic shorthair, plus sixteen car trips of 30 minutes or more for vet visits, daycare, and weekend travel. After each flight I inspected all six locking points for loosening, checked the shell for cracks, and verified the door still latched with the same firm click as week one. I measured the ventilation open area on all four sides against the IATA requirement and kept a Sherpa Original Deluxe on hand as the in-cabin comparison.
The questions that mattered were airline compliance, whether the hardware survives real cargo handling, and how a reluctant cat loads. Everything I tracked fed one of those.
Airline compliance, where most carriers fail
The Sky Kennel is IATA Live Animal Regulations compliant when correctly assembled, which is why airlines accept it. The single mistake travelers make, and the one that gets crates rejected at the counter, is using the plastic snap latches that ship out of the box. Airlines require metal screw bolts at all four corners; the screws are usually in a small bag taped to the door. Replace the snaps before the flight, tighten to firm but not stripped, and confirm with the cargo desk 48 hours before departure.
With that setup I had zero issues at LAX, JFK, or LHR. The compliance is real and reliable, but it depends entirely on you doing the bolt swap. This is the most important thing in the whole review: the crate is compliant only if you assemble it correctly, and the default out-of-box latches are not what the airline wants to see.
Hardware quality after two flights
The squeeze-latch door, two side wing nuts, and four corner bolts all survived two transcontinental cargo flights and sixteen car trips without loosening. At four months my visual inspection showed no metal fatigue, no cracking around the bolt holes, and a door that still latched with the same firm click as the first day. For a crate that goes through cargo handling, that durability is the whole point.
I will put this in context honestly. A generic crate I compared previously developed a hairline crack at a corner bolt after a single flight, which is exactly the kind of failure you cannot afford with an animal inside. The Sky Kennel showed none of that. The high-impact plastic shell took two cargo loads with no cracks or scuffing through, which is the durability margin you are paying for over a bargain crate.
Ventilation, exceeds airline minimums
IATA rules require ventilation on at least three sides for international travel. The Sky Kennel has it on all four, which gives a comfortable margin over the minimum. When I measured the open area, the specs lined up: roughly 18 percent open on the door side and about 14 percent on each of the other three sides.
That extra ventilation matters more than it sounds for international transit through warm-climate hubs, where airflow inside the crate is a real welfare consideration during ground holds. Four-sided ventilation means the cat is not relying on a single airflow path, and on a long cargo journey through a hot connecting airport, that margin is reassuring rather than decorative.
Loading, where the top-off design helps
Most hard carriers force the cat in through the front door, which terrified my cat the first three times. The Sky Kennel’s top half lifts off entirely once you remove the four corner bolts, which lets you lower a reluctant cat in from above rather than pushing them through a small front opening. I use this method for every load now, and the cat barely notices being placed inside.
That top-loading trick is a genuinely thoughtful design feature for a shy or anxious cat, and it is one of the reasons I would choose this crate over alternatives that only open at the front. The trade-off is that you then have to reassemble the bolts before travel, which feeds back into the same assembly discipline the airline compliance depends on.
Honest limitations
The Medium is too large for in-cabin flights, full stop. It does not fit under most airline seats, so for cabin travel you want a soft carrier like the Sherpa or a Sleepypod instead. The empty weight is 12 pounds before you add the cat, which is genuinely heavy if you have to walk far through an airport, and that portability cost is real.
The bottom-shell assembly screws are also easy to overtighten on first build; snug them by hand and never with a power driver, or you risk stripping them. And because the airline-required metal bolts are easy to forget in the rush of travel, the most common owner failure is simply not swapping the plastic latches. None of these are dealbreakers, but they are the things that bite people who do not plan ahead.
Who should buy the Petmate Sky Kennel?
Buy it if your cat must fly cargo, if you drive long distances, or if you live in a hurricane or wildfire zone where you may need to evacuate fast. For those situations its IATA compliance, six locking points, and rugged shell are exactly what you want, and the top-off loading makes a stressful trip easier on the cat.
Skip it for in-cabin flights, where it does not fit under the seat and a soft carrier is the right tool. Skip it for routine daily vet visits too, unless you have a very large cat, because the Medium is overkill and heavy for short trips around town.
The verdict
After four months and two cargo flights, my Sky Kennel shows no cracks, the door latches as firmly as day one, and all six locking points held without loosening. It is the carrier veterinarians and breeders point to for cargo travel for good reason: it is compliant, rugged, and well ventilated, and the top-off design genuinely helps a nervous cat. It is heavy and oversized for the cabin, and it is only compliant if you swap in the metal bolts. For cargo, vet transport, or evacuation, it is the crate I would put my own cat in.
Against the competition
| Model | Best for | Rating | |
|---|---|---|---|
| Petmate Sky Kennel (Medium) | Best for cargo | 4.3 | Check price |
| Sherpa Original Deluxe Medium | Best for cabin | 4.5 | Check price |
| Sleepypod Air | Best Premium | 4.7 | Check price |
| Generic Plastic Pet Crate | Skip | 3.0 | Check price |
Technical details
LIVE specs pulled from Amazon; performance specs from our testing.
Petmate Sky Kennel FAQs
Yes when correctly assembled with all six locking points engaged. You must use metal screw bolts (often included, sometimes sold separately) instead of plastic snap latches for cargo. Confirm with your airline 48 hours before departure.
Sky Kennel for cargo or vehicle transport. Sleepypod Air for in-cabin flights. They solve different problems. Sky Kennel is hard-sided, oversized for cabin use, and the Sleepypod is soft and fits under all major airline seats.
Medium (28x20.5x21.5 in). Cats need to stand up, turn around, and lie down per IATA rules. The Small is too tight for an 11-lb cat. The Intermediate adds height that most cats do not need.
Forgetting the metal screw bolts. The kennel ships with 4 plastic snap latches that look secure but airlines reject them. Replace with the included or aftermarket metal screws and tighten to firm but not stripped.
Update log
- Jun 20, 2026: Review published.
- Jun 25, 2026: Current Amazon price and availability refreshed.
Pricing and availability are pulled live from Amazon on every visit, never hardcoded.


