Key takeaways: Southwest emotional support animal policy at a glance
Southwest permits trained and untrained emotional support animals in the cabin at no charge, provided required documentation is submitted for review and the animal fits on your lap or within your foot print area. You must complete the US Department of Transportation (DOT) DOT Service Animal Air Transportation Form (commonly called the WSAT or DOT form) no earlier than 48 hours and no later than 45 minutes before departure. Only one ESA is permitted per passenger. Below is a concise overview of core requirements, followed by detailed explanations and practical steps to prepare for your trip.
| Attribute | Verified Detail | Source Type |
|---|---|---|
| Advance submission window | 48 hours to 45 minutes before departure for the DOT Service Animal Air Transportation Form | Southwest policy summary (aligned with DOT rule) |
| Forms required | DOT Service Animal Air Transportation Form, completed and submitted via Southwest’s online form or app | Southwest customer documentation |
| Number of ESA per passenger | One emotional support animal, unless two miniature horses meet space and safety requirements | Southwest policy summary (aligned with DOT rule) |
| Cabin location expectations | Animal must remain on the floor in your foot print area and may not occupy a seat | Southwest policy summary (aligned with DOT rule) |
| Fees | No charge for an in-cabin emotional support animal | Southwest policy summary (aligned with DOT rule) |
Southwest emotional support animal policy overview
Southwest Airlines follows the U.S. Department of Transportation’s Air Carrier Access Act (ACAA) rule, which defines an emotional support animal as any animal that provides comfort or emotional relief to a passenger with a documented psychological or emotional condition. For Southwest, this means ESAs are allowed in the cabin at no fee if you submit the required DOT Service Animal Air Transportation Form and meet in‑flight behavior and space requirements. Unlike pets, ESAs are not counted as additional checked or carry‑on bags for fare purposes, but they must fit in your foot print area on the floor. Below are the primary policy elements you need to know.
Eligibility and what qualifies as an emotional support animal
An ESA does not need professional training; it must be an animal that helps mitigate a diagnosed psychological or emotional condition. This can include dogs, cats, and, under certain circumstances, miniature horses, provided they can be safely accommodated in the cabin. Southwest does not require species‑specific lists; instead, the animal must be able to remain on the floor in your foot print area, house‑broken, and non‑disruptive. Note that exotic animals, reptiles, and animals that could pose a direct safety risk are typically not permitted as ESAs under the ACAA and Southwest practice.
Required documentation and submission timing
You must submit the DOT Service Animal Air Transportation Form, which includes sections for animal health, vaccination (current rabies vaccination), behavior confirmation, and owner attestation. The form can be completed online through Southwest’s website or mobile app. Deadlines are strict: submit no earlier than 48 hours and no later than 45 minutes before departure. If you are traveling with an assistance animal that is a dog individually trained to perform tasks, different rules may apply, but for ESAs the focus is on the DOT form and in‑ Cabin behavior. Keep a printed copy of the completed form and any vaccination records available at check‑in and boarding.
How to prepare for your flight with an ESA on Southwest
Preparation reduces the risk of issues at the airport and ensures a smoother boarding process. Start by confirming your animal’s vaccination records are current, especially the rabies vaccine required on the DOT form. Practice having your animal remain calmly on the floor in your foot print area, and bring any familiar mat or blanket to help maintain in‑place behavior. Arrive early so you can complete check‑in, receive your boarding group, and submit documentation without rushing. Below is a simple checklist to follow in the days leading up to your flight.
- Confirm diagnosis and necessity: Ensure you have documentation (prescription, medical record, or letter from a licensed mental health professional) indicating the animal is necessary for your emotional or psychological condition.
- Complete the DOT Service Animal Air Transportation Form: Fill out the form online via Southwest’s site or app within the 48‑hour to 45‑minute window before departure.
- Gather supporting records: Current vaccination records, especially rabies, and any behavioral notes or training summaries you keep.
- Plan for arrival: Check in early, request any needed assistance at the gate, and keep the completed form and records accessible.
- At the aircraft door: Notify the gate agent of your ESA, present the form if requested, and confirm your foot print area can accommodate your animal on the floor.
In‑flight expectations and behavior requirements
Once onboard, your emotional support animal must remain on the floor in your foot print area and may not occupy a seat, an empty seat, or the aisle. The animal should be leashed, tethered, or otherwise securely managed unless it is physically unable to do so. It must remain calm and quiet for the duration of the flight; excessive vocalization, aggression, or repeated movement that disturbs other passengers may lead to a request for the animal to be removed at the next stop. Because ESAs are not service animals under the ACAA definition used for task‑trained dogs, passengers should not expect the same level of in‑flight flexibility as a traveler with a service dog. If you anticipate that your animal cannot meet these expectations, consider alternate travel arrangements or a letter from a mental health professional that clearly explains your animal’s needs.
Passenger rights and common issues at Southwest
As a passenger traveling with an ESA on Southwest, you are entitled to transport the animal at no additional fare, provided you meet documentation and behavior requirements. If a gate agent requests proof of vaccination or the DOT form, you may present the completed form and relevant records. You can be denied boarding if the animal is not properly documented, appears aggressive, or cannot remain on the floor without disrupting cabin operations. In some cases, if your animal cannot be accommodated safely, you may be rebooked on a later flight or asked to travel via another method. Keep in mind that policies can evolve; always reconfirm Southwest’s latest requirements on their website or by contacting customer service before travel, especially if your animal’s needs or documentation change.
Comparison: Service dogs vs emotional support animals on Southwest
| Aspect | Service dogs | Emotional support animals (ESAs) |
|---|---|---|
| Training requirement | Trained to perform specific tasks for a disability | No specific training required; provides emotional comfort |
| Documentation | Southwest may request credible verbal assurance or documentation for unusual animals; dogs typically covered under ACAA | Must complete and submit DOT Service Animal Air Transportation Form (48 hours to 45 minutes before departure) |
| In‑Cabin rights | Allowed in cabin, at handler’s feet; no seat occupied | Allowed in cabin at no charge if fits in foot print area and complies with behavior rules |
| Fees | No fee for service dogs | No fee for ESAs, provided documentation is submitted and animal complies |
| No set limit on number of service dogs if space and safety allow | One ESA per passenger (exceptions for two miniature horses in rare cases) |
Bottom line: What to remember when flying with an ESA on Southwest
Southwest allows emotional support animals in the cabin at no fee, but only if you submit the required DOT Service Animal Air Transportation Form within the correct time window, the animal is house‑broken and manageable, and it fits within your foot print area on the floor. Prepare documentation ahead of time, arrive early, and keep records accessible to avoid delays. Understand that ESAs are not service animals and do not have identical in‑flight privileges, but with correct preparation you can travel smoothly with your support animal.