Phoenix Sky Harbor International Airport (PHX) serves as a vital hub in the American Southwest, connecting millions of travelers each year to destinations across the United States and abroad. Among the many airlines operating out of PHX, Southwest Airlines stands out as a major player, offering extensive domestic service with its signature blend of low fares and friendly service. Whether you're a first-time traveler or a seasoned flyer, knowing the ins and outs of the Southwest terminal PHX can make your journey much smoother.
In this detailed guide, we'll walk you through everything you need to know about the Southwest terminal at Phoenix Sky Harbor International Airport—from terminal layout and check-in procedures to dining options and transportation. By the end, you’ll be more than ready for your next trip with Southwest out of PHX.
Phoenix Sky Harbor International Airport is located just three miles east of downtown Phoenix and is one of the busiest airports in the United States. It serves as a primary gateway to the southwestern U.S. and is known for its efficiency, accessibility, and modern amenities.
PHX consists of two main terminals:
Terminal 3
Terminal 4
Unlike many airports, Sky Harbor numbers its terminals sequentially, skipping Terminal 1 due to historical reasons. The majority of domestic flights, including those operated by Southwest Airlines, depart from Terminal 4.
Southwest Airlines operates exclusively out of Terminal 4 at Phoenix Sky Harbor International Airport.
Terminal 4 is the largest and busiest terminal at PHX, serving multiple airlines including American Airlines, Air Canada, British Airways, and of course, Southwest Airlines. It’s well-equipped with modern amenities, comfortable seating areas, plenty of dining options, and a streamlined layout that makes it relatively easy to navigate—even during busy travel times.
Within Terminal 4, Southwest Airlines primarily operates out of gates in the A and B concourses:
Concourse A: Gates A1 – A14
Concourse B: Gates B1 – B28
Both concourses are accessible via security checkpoints and offer a wide array of traveler services and retail shops.
Keep in mind that gates may change depending on the specific flight or time of day. Always double-check your gate assignment on your boarding pass or flight information displays throughout the terminal.
Southwest Airlines offers a hassle-free check-in experience at PHX Terminal 4. Here’s what to expect:
Curbside check-in is available for travelers looking to save time. Simply approach the Southwest-designated curb area and a skycap will assist you with check-in and bag drop.
Southwest has numerous self-service kiosks throughout the terminal. These are perfect if you’re checking in without baggage or just need to print your boarding pass.
Southwest’s ticketing counters are located on the Level 2 (Departures) side of Terminal 4. If you need to check bags, make itinerary changes, or require assistance, you can speak to a customer service agent here.
If you’ve purchased EarlyBird Check-In, you’ll automatically receive a better boarding position—no need to check in exactly 24 hours before your flight. It’s one of the many perks frequent Southwest travelers take advantage of.
Terminal 4 has multiple security checkpoints: A, B, C, and D. Southwest passengers typically use Checkpoint A or B, depending on the concourse from which their flight departs.
Wait times are generally reasonable, but can vary based on the time of day. Mornings and late afternoons are peak periods. TSA PreCheck lanes are available for eligible passengers.
Tip: You can check real-time security wait times via the PHX Sky Harbor mobile app or the airport’s official website.
When arriving at PHX on a Southwest flight, passengers will proceed to Level 1 (Baggage Claim) of Terminal 4. Southwest’s baggage claim carousels are located in the central area, clearly marked with overhead signage.
Ground transportation, such as rideshares, shuttles, and rental car pick-up, are all accessible from this level as well.
One of the best parts of flying through Terminal 4 is the abundance of food and retail options. Whether you’re craving a quick snack or looking for a sit-down meal, there’s something for every taste.
La Madeleine French Bakery & Café – Great for fresh sandwiches and pastries
Pei Wei Asian Diner – Casual Asian cuisine with fast service
Chelsea’s Kitchen – Local favorite with a full-service bar and hearty meals
Panera Bread – For travelers looking for soups, salads, and sandwiches
Four Peaks Brewery – Grab a local Arizona beer before takeoff
Hudson News – Great for last-minute essentials and reading material
Arizona Highways – Perfect for local souvenirs
Tech on the Go – Chargers, headphones, and travel gadgets
Desert Shades – Sunglasses and accessories
Unlike some major carriers, Southwest Airlines does not operate its own lounge at PHX or any other airport. However, travelers looking for a quiet place to relax might consider accessing The Club at PHX, a third-party lounge located in Terminal 4.
The Club at PHX is available to:
Priority Pass members
Lounge Key and Lounge Club members
Day pass holders (if space allows)
This lounge includes complimentary snacks, beverages, Wi-Fi, and comfortable seating. It’s an excellent spot if you have a long layover or need a quiet work environment.
Getting to and from the Southwest terminal at PHX is easy thanks to the airport’s extensive ground transportation options.
The PHX Sky Train is a free, automated people mover that connects Terminal 4 to:
Terminal 3
East Economy Parking
Rental Car Center (via shuttle)
44th Street/Washington light rail station
It runs 24/7 and is perfect for accessing public transportation or rental services.
Rideshare services like Uber and Lyft have designated pick-up and drop-off areas on the south side of Level 1 at Terminal 4. Traditional taxis are also available.
A dedicated Rental Car Center is located a few miles from the terminal. A free shuttle operates continuously between Terminal 4 and the Rental Car Center.
Phoenix Sky Harbor offers a range of parking options for Southwest passengers:
Terminal 4 Parking Garage – Closest to check-in and gates
East Economy Lot – Budget-friendly and connected via Sky Train
Valet Parking – Available for those looking for convenience
You can pre-book parking online through the PHX website, often at discounted rates.
Check Flight Status Ahead of Time
Use the Southwest Airlines app or website to check your flight status, gate number, and boarding position.
Arrive Early
Aim to arrive at least 90 minutes to 2 hours before your flight, especially during holidays or peak times.
Use Mobile Boarding Pass
Skip the kiosks by checking in on your phone and using a mobile boarding pass.
Stay Updated on Gate Changes
Listen for announcements and check the airport monitors, as Southwest sometimes adjusts gates.
Use EarlyBird or Upgraded Boarding
Since Southwest uses open seating, these options can ensure you get a better seat.
Flying Southwest Airlines out of Phoenix Sky Harbor International Airport is a convenient and efficient experience, thanks to the airline’s dedicated operations in Terminal 4. With easy check-in procedures, helpful staff, and plenty of food and shopping options, travelers can enjoy a stress-free start or end to their journey.
Whether you’re a business traveler hopping on a quick flight to Las Vegas, or a family heading out on vacation to California or Texas, Southwest at PHX is well-equipped to serve your needs.
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