What Concourse Is Frontier In Atlanta? Your Guide to Flying Frontier at ATL

If you’re flying Frontier Airlines in or out of Atlanta, Georgia, your flight operates out of Concourse D at Hartsfield–Jackson Atlanta International Airport (ATL) in most cases. However, there are a few important details and exceptions to know so you don’t get turned around at the airport.

This guide walks you through:

• Which concourse Frontier uses in Atlanta
• How to check in and go through security
• How to get to Concourse D from anywhere in ATL
• What to expect once you’re at the gate
• Local tips that make the process smoother if you live in or are visiting Atlanta

Where Is Frontier at ATL?

Typical Frontier location at Atlanta Airport:

• Check-in counters:
  • Domestic Terminal – South Terminal ticketing level
• Security:
  • Use security at the Domestic Terminal (usually South side)
• Gates:
  • Primarily Concourse D for most Frontier departures and arrivals

ATL sometimes adjusts gate assignments across concourses (especially during busy periods). While Frontier commonly uses Concourse D, your boarding pass and airport flight displays are the final word on your exact gate and concourse.

Step-by-Step: Flying Frontier Out of Atlanta

1. Finding Frontier Check-In at ATL

If you’re starting your trip in Atlanta:

• Go to the Domestic Terminal (not the International Terminal).
• Head to the South Terminal ticketing area.
• Look for the Frontier Airlines check-in counters and kiosks.

📌 Local tip:
If you’re being dropped off, ask your driver to follow signs for “South Terminal – Departures” and then look for the Frontier logo above the doors and counters once inside.

2. Security Screening for Frontier Flights

After you check in and drop bags:

• Proceed to the Domestic Terminal security checkpoint.
• Both North and South security lines can get you airside; however, if signs or staff direct Frontier passengers to a particular line, follow that guidance.
• Once you’re through security, you’ll be in the main domestic airside atrium area.

From here, all domestic concourses (A, B, C, D, T) are accessible by:

• The Plane Train (underground train system), or
• Walking through the underground pedestrian tunnel.

Getting to Concourse D at Atlanta Airport

Using the Plane Train 🚆

The fastest way to reach Concourse D from the Domestic Terminal is the Plane Train:

1. From the main post-security atrium, follow signs for “Plane Train”.
2. Take the train and listen/watch for “Concourse D”.
3. Exit at the Concourse D stop.
4. Go up the escalator or elevator to the concourse level and follow signs to your specific D-gate number.

The Plane Train runs continuously and is designed for quick connections, even during Atlanta’s busiest times.

Walking Through the Tunnel

If you prefer to walk:

• Follow signs marked “Walk to Concourse D” from the Domestic Terminal.
• You’ll go through a series of underground pedestrian walkways, passing artwork and exhibits between concourses.
• This can take longer than the Plane Train, but some travelers like it for the exercise or when the trains feel crowded.

What If My Frontier Flight Shows a Different Concourse?

Atlanta is a major hub with shared gates, so it’s possible (though less common) to see Frontier flights at concourses other than D, such as Concourse C or even Concourse T.

To stay accurate on the day of travel:

• Check your boarding pass for the concourse and gate.
• Use the flight information displays throughout the airport.
• Listen for overhead announcements in case of gate changes.

If your flight is diverted or reassigned to a different concourse, you can always take the Plane Train from your current concourse to the new one.

Frontier Arrivals in Atlanta

When you’re arriving in Atlanta on Frontier:

• Your plane will typically park at a gate on Concourse D.
• Follow signs for “Baggage Claim / Ground Transportation”.
• You’ll take the Plane Train back toward the Domestic Terminal and exit at “Domestic Terminal – Baggage Claim”.
• Frontier-checked luggage will be on carousels assigned to your flight (shown on monitors in baggage claim).

📌 Local tip for Atlanta residents:
If someone is picking you up, tell them to follow signs for “Domestic Arrivals” and wait in the South Terminal arrivals area, unless you’ve arranged to meet at a rideshare or off-site lot.

Frontier at ATL: Quick Reference Guide

Below is a simple overview you can screenshot before you head to the airport:

Food, Restrooms, and Things To Do Near Concourse D

If you’re spending time at Concourse D while waiting for a Frontier flight, you’ll find:

• Restaurants and quick-service spots spread along the concourse
• Newsstands and convenience shops for snacks, drinks, and travel essentials
• Multiple restrooms, water fountains, and often bottle-filling stations

If you have a longer layover or want more options:

• You can take the Plane Train to other concourses like A, B, or T, which often have more dining and shopping choices.
• The airport atrium (just past the main security area) has additional restaurants and places to sit and relax.

Tips for Atlanta Travelers Using Frontier

Whether you’re based in metro Atlanta or just passing through:

• Arrive early. ATL is one of the busiest airports in the world. Plan extra time for traffic around the airport, security lines, and getting to Concourse D.
• Check your gate before leaving home. Frontier’s app or your airline confirmation usually lists the planned concourse and gate, but be ready for changes.
• Know your terminal. Frontier uses the Domestic Terminal, not the International Terminal (even for trips that might connect to international flights elsewhere).
• Use MARTA if you want to avoid traffic. The Airport Station at the end of the MARTA rail line connects directly into the Domestic Terminal; from there, follow signs for South Terminal / check-in, then proceed to security and the Plane Train to Concourse D.

Key Takeaway: Where to Find Frontier in Atlanta

For most travelers, the answer is straightforward:

• Frontier Airlines flies out of Concourse D at Hartsfield–Jackson Atlanta International Airport.
• Check in at the Domestic South Terminal, pass through security, then use the Plane Train to Concourse D and follow signs to your gate.

As long as you confirm the concourse and gate on your boarding pass or the airport display screens, you’ll have no trouble finding Frontier in Atlanta.