which carrier fits your airline

Away The Pet Carrier vs Sleepypod Air: which airline pet carrier?

Two of the most cross-shopped in-cabin carriers, compared the way an airline sees them: by published size against each under-seat limit. Away The Pet Carrier is 18.7 × 10.8 × 10.75 in; Sleepypod Air is 22 × 10.5 × 10.5 in.

Last verified 2026-09-03 · dimensions from the manufacturers' pages

Side by side

PropertyAway The Pet CarrierSleepypod Air
External size (L×W×H)18.7 × 10.8 × 10.75 in22 × 10.5 × 10.5 in
Typesoft-sidedsoft-sided · collapsible
Pet weightpets up to ~18 lbup to ~18 lb
Airlines it fits outright0 of 430 of 43

Airline by airline

Green = within the published size; amber = fits only collapsed / flexed; grey = over. Height is strict — it's the dimension a seat won't negotiate on.

AirlineThe Pet CarrierAir
Aegean AirlinesToo bigToo big
Air CanadaToo bigToo big
Air FranceToo bigToo big
Air New ZealandNo cabin petsNo cabin pets
Air TransatToo bigToo big
Alaska AirlinesToo bigToo big
Alaska Horizon (Horizon Air)Too bigToo big
Allegiant AirToo bigFits collapsed
American AirlinesToo bigFits collapsed
American Eagle (regional, incl. Republic Airways)Too bigToo big
ANA (All Nippon Airways)No cabin petsNo cabin pets
Austrian AirlinesToo tall (10.75" > 9.1")Too big
Avelo AirlinesToo bigToo big
AviancaToo tall (10.75" > 10")Too tall (10.5" > 10")
Azul Linhas AéreasSize not publishedSize not published
Breeze AirwaysToo bigToo big
British AirwaysNo cabin petsNo cabin pets
Brussels AirlinesToo tall (10.75" > 9.1")Too big
Cape AirToo bigToo big
Cathay PacificNo cabin petsNo cabin pets
China AirlinesNo cabin petsNo cabin pets
Contour AirlinesToo tall (10.75" > 10")Too tall (10.5" > 10")
Delta Air LinesToo bigFits collapsed
easyJetNo cabin petsNo cabin pets
EL AL Israel AirlinesToo bigToo big
EmiratesNo cabin petsNo cabin pets
Etihad AirwaysToo bigToo big
FinnairToo bigToo big
Frontier AirlinesToo bigFits collapsed
GOL Linhas AéreasToo bigToo big
Hawaiian AirlinesToo bigToo big
IberiaToo bigToo big
ITA AirwaysToo tall (10.75" > 9.1")Too big
Japan AirlinesNo cabin petsNo cabin pets
JetBlueToo bigToo big
JSXToo bigFits collapsed
KLM Royal Dutch AirlinesToo bigToo big
Korean AirToo bigToo big
LufthansaToo tall (10.75" > 9.1")Too big
NorwegianToo bigToo big
Porter AirlinesToo tall (10.75" > 10.5")Squeezes — 0.5" over
QantasNo cabin petsNo cabin pets
Qatar AirwaysNo cabin petsNo cabin pets
Royal Air MarocToo tall (10.75" > 7.9")Too big
RyanairNo cabin petsNo cabin pets
SAS Scandinavian AirlinesToo bigToo big
Singapore AirlinesNo cabin petsNo cabin pets
Southern Airways ExpressSize not publishedSize not published
Southwest AirlinesToo bigToo big
Sun Country AirlinesToo bigToo big
Swiss International Air LinesToo tall (10.75" > 9.1")Too big
TAP Air PortugalToo bigToo big
Turkish AirlinesToo bigToo big
United AirlinesToo bigFits collapsed
Virgin AtlanticNo cabin petsNo cabin pets
VolarisToo bigToo big
VuelingToo bigToo big
WestJetToo bigToo big
⚠️ "Fits" means within the published maximum — real under-seat space varies by aircraft and seat. See why →

Which should you buy?

Too close to call on airline fit — each is within the published limit of 0 of the 43 airlines with a published cabin limit. Pick on shape, pet weight and how your pet prefers to lie down.

Affiliate link — we may earn a small commission at no extra cost to you. It never changes our specs or which carriers we list.

Choose the Away The Pet Carrier if…

  • Premium soft carrier; 18.7" long is over the 18" limit on some airlines, so check length as well as height.
  • It clears 0 of 43 airlines with a published cabin limit outright.
  • Your pet is pets under ~18 lb.

Compare similar on Amazon →

Choose the Sleepypod Air if…

Sleepypod® Air, Airline Approved Cat/Dog Carrier, Crash Tested, Jet Black
  • The ends fold in, so the 22" length collapses down to ~16" to fit shorter foot-wells. Length is what collapses — height stays ~10.5", so it still needs an 11" airline.
  • It clears 0 of 43 airlines with a published cabin limit outright.
  • Your pet is under ~18 lb.

See it on Amazon →

Full profiles: Away The Pet Carrier · Sleepypod Air · best carriers ranked · all carriers

Common questions

Which fits more airlines, the Away The Pet Carrier or the Sleepypod Air?

They tie — each is within the published limit of 0 of the 43 airlines with a published cabin limit. Pick on shape, weight rating and how your pet likes to lie.

What's the size difference?

Away The Pet Carrier: 18.7 × 10.8 × 10.75 in (pets up to ~18 lb). Sleepypod Air: 22 × 10.5 × 10.5 in (up to ~18 lb). Height is the strict dimension under a seat, and the Sleepypod Air is the shorter of the two.

Are these figures measured or published?

Published — both sets of dimensions come from the manufacturers' product pages (linked on each carrier's profile), matched against each airline's official carrier limit. We don't invent measurements.