Can I Bring My Pet on a Domestic Flight in the U.S.? 2026 Guide

Traveling with pets can be stressful if you’re unprepared. Many pet owners wonder: “Can I bring my dog or cat on a domestic flight?” or “What are the rules for flying with a pet in 2026?”

This comprehensive guide covers U.S. domestic flights, airline pet policies, fees, carriers, and tips to make your journey smooth for both you and your furry friend.

1. Understanding Airline Pet Policies

Most U.S. airlines allow pets to travel either:

In-cabin: Small pets that fit in a carrier under the seat.

Checked baggage: Larger pets transported in the cargo hold.

Cargo shipping: Specialized services for pets if airline cargo is required.

Each airline has specific rules, including size limits, breed restrictions, and carrier requirements.

2. Pets Allowed in the Cabin

Dogs and cats are most commonly allowed.

Maximum combined weight (pet + carrier) usually 15–20 lbs.

Carriers must be airline-approved, with proper ventilation and secure closures.

Fees typically range from $125–$150 one-way per pet.

Tip for 2026: Many airlines now require reservations for in-cabin pets in advance, as only a limited number of pets are allowed per flight.

3. Pets in Checked Baggage or Cargo

Suitable for larger dogs, cats, and other animals.

Pets must travel in IATA-approved kennels with adequate ventilation.

Water and feeding instructions must be attached to the crate.

Airlines require health certificates issued within 10 days of travel.

Fees vary by airline, typically $200–$400.

Important: Cargo travel is not recommended for short-nosed breeds (like bulldogs) due to breathing risks.

4. Documentation Required for Pets

Health certificate from a licensed veterinarian.

Vaccination records, especially for rabies.

Identification tags on the carrier.

Some airlines require microchipping.

Failure to provide proper documentation can result in the pet being denied boarding.

5. Booking Your Pet

Always book early, as airlines limit the number of in-cabin pets per flight.

Mention your pet at reservation and confirm policies with the airline.

Some airlines allow pets on standby, but this is risky — pre-booking is safer.

6. Preparing Your Pet for the Flight

Introduce the carrier weeks in advance.

Keep meals light before flying to reduce anxiety.

Provide a comfort item like a blanket or toy.

Avoid sedatives unless prescribed by a veterinarian — many airlines discourage sedation.

7. Airport Tips for Traveling with Pets

Arrive 2 hours early for domestic flights.

Keep pets in carriers at all times in security checkpoints.

Request direct boarding when possible to minimize stress.

Follow TSA guidelines: remove pets from carriers at security if instructed, but keep leashed or secure.

8. Airline-Specific Notes (2026 Updates)

American Airlines: Maximum 20 lbs in-cabin; limited cargo options.

Delta Airlines: Accepts cats and dogs in-cabin or cargo; requires health certificate.

Southwest Airlines: Only in-cabin pets; strict carrier rules.

United Airlines: Offers PetSafe for cargo; breed restrictions apply.

Always check airline websites before booking, as policies are updated frequently.

9. Common Mistakes to Avoid

Waiting too late to book in-cabin pets.

Bringing unapproved carriers.

Forgetting vaccination or health documentation.

Sedating pets unnecessarily.

Leaving pets unattended in the vehicle before or after boarding.

10. Alternative Travel Options

Ground transportation: Bus or train services that accept pets may be less stressful.

Pet transport services: Companies specialize in safe pet delivery across the country.

Hotel pet accommodations: Always confirm pet policies before booking.

11. Final Takeaway

Traveling with pets in 2026 is easier than ever if you plan ahead:

Book early and confirm airline policies.

Use approved carriers and provide documentation.

Prepare your pet for the airport environment.

Follow in-cabin or cargo rules carefully.

With proper preparation, your furry friend can fly safely and comfortably on U.S. domestic flights.

Bonus Tip: Click the image below to find the best pet travel carriers on Amazon.com, rated 5 out of 5 stars by Public Minute with next-day shipping — perfect for last-minute travel.