Reviewed August 30, 2026
Why a pet can satisfy border requirements and still be refused by an airline.
This includes import permits, vaccinations, tests, treatments, health certificates and customs or quarantine rules.
This includes pet reservations, carrier size, combined weight, breed restrictions, weather embargoes, aircraft limitations and check-in procedures.
On codeshare itineraries, the operating carrier’s rules may control. Confirm every flight segment.
Written confirmation is safer, especially for international routes and connections.
Use the free denial-risk checklist for a fast scan, or the complete guide to organize your route, airline questions, documents, timing and fallback plan.
Complete planning guide
Turn scattered airline, veterinary and government requirements into a route plan, document checklist, preparation timeline and backup questions.
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Check the common paperwork, airline, CDC, microchip, health-certificate and carrier gaps before they become airport problems.
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