Esa noteUnited does not recognise emotional support or therapy animals. Only dogs individually trained to perform tasks for a person with a disability count as service animals; therapy and emotional-support cats and dogs fly as ordinary pets, in a carrier, under the standard pet policy and fee. No other species is carried at all.verified 2026-09-15
Fee waived✓ Javerified 2026-09-15
Recognized✓ Javerified 2026-09-15
Cabin allowed✓ Javerified 2026-09-15
Esa recognized✗ Neinverified 2026-09-15
Forms requiredTwo United forms, depending on flight length: the Service Animal Training and Behavior Attestation Form for every flight, plus the Service Animal Relief Attestation Form for flights of 8 hours or more.verified 2026-09-15
Max pets per passenger2verified 2026-09-15
Breed restrictionsNone stated. United restricts the SPECIES — only dogs qualify as service animals — and sets a minimum age of 4 months on domestic flights and 6 months on international, but names no breed.verified 2026-09-15
Documentation requiredA health and vaccination certificate is required for all international flights, including Canada and Mexico. Some international destinations also require the dog to have been trained by a recognised accredited organisation. Dogs in training are not accepted.verified 2026-09-15
Recognized organizationsUnited names no specific accrediting body: it states only that some international destinations require training by a recognised accredited organisation.verified 2026-09-15
In the cabin✓ Accepted
In the hold / cargo✓ Accepted
Snub-nosed breedsAccepted
Cabin policy
Pets accepted✓ Acceptedverified 2026-09-15
Snub-nosed breeds banned✓ Neinverified 2026-09-15
One-way fee150 USDverified 2026-09-15
Minimum age17 weeksverified 2026-09-15
Max pets per passenger2verified 2026-09-15
Booking methodonlineverified 2026-09-15
Banned destinations✗ Javerified 2026-09-15
Carrier size44 × 30 × 22 cmverified 2026-09-15
Crate must have/behard-sided ok, soft-sided ok, ventilated, a carrierverified 2026-09-15
Hold & cargo policy
Hold: Pets accepted✗ Not acceptedverified 2026-09-15
Cargo: Pets accepted✓ Acceptedverified 2026-09-15
Cargo: Booking methodemailverified 2026-09-15
Health & documents
Health certificate required✓ Javerified 2026-09-15
Health certificate · Required✓ Javerified 2026-09-15
What are the pet carrier size limits for United Airlines?
The cabin carrier limit on United Airlines is 44 x 30 x 22 cm (L x W x H). Exact limits vary by aircraft. Compute your carrier fit at www.pawgo.fr.Build my pet's travel plan →
How much does it cost to fly with a pet on United Airlines?
Does United Airlines require a health certificate for pets?
Yes, United Airlines requires a health certificate for pets. Your destination country may have additional requirements — check www.pawgo.fr.Build my pet's travel plan →
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