PetPolicyCheck

IATA-style hard crates for flying pets in the hold or as cargo

✓ Product dimensions checked against each manufacturer's official page; airline limits from our dated airline pages.

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Pets too big for the cabin usually fly in a hard kennel in the hold or as cargo. Airlines generally refer to the IATA Live Animals Regulations (see IATA's pet travel page); confirm your airline's own crate rules.

What the makers say

Interior sizes

Kennel & sizeInterior (L × W × H)
Petmate Sky Kennel 21"18.75 × 13.5 × 14.5 in (48 × 34 × 37 cm)
Petmate Sky Kennel 28"24.25 × 18.25 × 19.5 in (62 × 46 × 50 cm)
Petmate Sky Kennel 32"29.5 × 19.75 × 23.5 in (75 × 50 × 60 cm)
Petmate Sky Kennel 36"32.5 × 22 × 26 in (83 × 56 × 66 cm)
Petmate Sky Kennel 40"36.25 × 24.75 × 28.8 in (92 × 63 × 73 cm)
Petmate Sky Kennel 48"44 × 29 × 32.5 in (112 × 74 × 83 cm)
Petmate Ultra Vari Kennel 21"18.75 × 13.5 × 14.5 in (48 × 34 × 37 cm)
Petmate Ultra Vari Kennel 28"24.25 × 18.25 × 19.5 in (62 × 46 × 50 cm)
Petmate Ultra Vari Kennel 32"29.5 × 19.75 × 23.5 in (75 × 50 × 60 cm)
Petmate Ultra Vari Kennel 36"32.5 × 26 × 26 in (83 × 66 × 66 cm)
Petmate Ultra Vari Kennel 40"36.25 × 24.75 × 28.8 in (92 × 63 × 73 cm)
Petmate Ultra Vari Kennel 48"44 × 29 × 32.5 in (112 × 74 × 83 cm)

Petmate publishes interior dimensions only. Airline hold limits (such as Air Canada's 292 cm linear) apply to outside dimensions, so ask the maker or measure before booking.

Airlines that take pets in the hold or as cargo

AirlineHold / cargo optionWeight limit
Air CanadaYes, in the baggage compartment (hard-sided kennel) with seasonal and route embargoes; Air Canada Cargo (AC Animals) for unaccompanied pets.Baggage compartment: up to 45 kg (100 lb) pet + kennel; max 292 cm (115 in) linear
Air FranceYes: pets over 8 kg and up to 75 kg with carrier travel in the hold (subject to availability).8 kg (17.64 lb) pet + carrier in cabin; over 8 kg and up to 75 kg (165.35 lb) must travel in the hold
Alaska Airlines (and Hawaiian Airlines)Yes: temperature-controlled baggage compartment on your flight, or Pet Connect via Alaska Air Cargo for unaccompanied pets.Baggage compartment: up to 150 lb pet + kennel combined (official newsroom, Aug 26, 2026)
American AirlinesChecked pets only for active-duty U.S. Military and State Department Foreign Service on official orders. Others: American Airlines Cargo (PetEmbark).20 lb (9.07 kg) pet + carrier on A321T premium cabins; checked kennel max 100 lb (45 kg) combined. No general in-cabin limit stated.
British AirwaysPets travel in the hold, arranged by partners: PetAir UK (from the UK) or IAG Cargo (to the UK).Check with airline
Delta Air LinesNo checked pets for the general public. Delta Cargo ships pets only for active U.S. Military or U.S. State Department Foreign Service personnel with permanent change of station orders (until further notice).Check with airline
JetBlueNo large dogs accommodated; pets travel in the cabin only.Check with airline
Korean AirCheck with airlineCheck with airline
LufthansaYes: dogs and cats over 8 kg as excess baggage in the air-conditioned hold; other animals via Lufthansa Cargo.8 kg pet + carrier in cabin
Southwest AirlinesNo. Southwest does not transport pets in the cargo compartment.Check with airline
United AirlinesPetSafe checked-pet program ended. Pets fly in cargo only with certain active-duty military or State Department employees.No weight limit (United states there are no weight or breed limitations; pet must fit the carrier)

From our airline pages; each links to the official airline source and its last-verified date.

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