Flying with Sun Country Airlines (SY) from Hartsfield-Jackson Atlanta International Airport (ATL)? This complete guide covers the exact terminal location, check-in process, baggage rules, facilities, and practical tips so you can navigate ATL smoothly and avoid last-minute stress.
What Terminal is Sun Country Airlines at ATL Airport?
Sun Country Airlines operates from the Domestic Terminal – North at Hartsfield-Jackson Atlanta International Airport (ATL).
- Terminal: Domestic Terminal North
- Typical Concourse: Concourse C or D (gate assignments can change daily — always check your boarding pass or the ATL app)
- Baggage Claim: North Terminal Domestic Baggage Claim area
- Airport Address: 6000 N Terminal Pkwy, Atlanta, GA 30320, USA
ATL has two main terminals: the Domestic Terminal (west side, divided into North and South) and the Maynard H. Jackson Jr. International Terminal (east side). Sun Country flights are domestic, so you will use the Domestic Terminal North for both arrivals and departures. The Plane Train and pedestrian walkways connect all concourses (T, A, B, C, D, E, F).
Note: Gate and concourse assignments can change. Always confirm on your boarding pass, the Sun Country app/website, or airport flight displays on the day of travel.
Sun Country Airlines ATL Terminal Quick Facts
| Detail | Information |
|---|---|
| Airport | Hartsfield-Jackson Atlanta International Airport (ATL) |
| Airline | Sun Country Airlines |
| IATA Code | SY |
| ICAO Code | SCX |
| Terminal | Domestic Terminal – North |
| Primary Concourse | C or D (subject to change) |
| Baggage Claim | North Terminal Domestic |
| Official Website | suncountry.com |
| Customer Service | 1-651-905-2737 |
| Airport Website | atl.com |
Check-in Process at Sun Country ATL Terminal
Recommended Arrival Time
Arrive at least 2 hours before departure for domestic flights (2.5–3 hours during peak travel seasons or if checking bags). This gives enough time for check-in, security, and reaching your gate.
Ticket Counter Hours
- Counters typically open 3 hours before departure
- Counters close 45 minutes before departure
Check-in Options
- Online / Mobile App – Opens 24 hours before departure. Save your boarding pass on your phone.
- Airport Kiosks – Available in the North Terminal.
- Ticket Counter – Located in the Domestic Terminal North check-in lobby.
Passengers with infants, unaccompanied minors, special assistance needs, or certain fare types usually need to check in at the counter.
After check-in, proceed through security (North Checkpoint is closest). Then take the Plane Train or walk to your assigned concourse.
Baggage Information for Sun Country Airlines
Sun Country is an ultra-low-cost carrier. Only a small personal item is free on most fares.
Personal Item (Free)
- Size: Up to 17 × 13 × 9 inches
- Must fit under the seat in front of you
Carry-On Bag (Paid)
- Size: Up to 24 × 16 × 11 inches (including wheels/handles)
- Weight: Up to 35 lbs
- Fee: Lowest when purchased at booking (typically $25–$40); higher if added later or at the airport
Checked Bags
- Size: Up to 62 linear inches (length + width + height)
- Weight: Up to 50 lbs
- Fees: Lowest at booking (first bag often $30–$40); higher after booking or at the airport
- Overweight / oversized bags incur extra fees
Tips to Save Money
- Buy bags online at the time of booking
- Active-duty military and certain cardholders may receive free or discounted bags
- Measure and weigh bags at home to avoid gate fees
Always check the latest fees on suncountry.com for your specific route, as prices can vary.
Facilities & Amenities at Domestic Terminal North (ATL)
- Free Wi-Fi throughout the airport
- Restaurants, cafes, and quick-service food options
- Retail shops and newsstands
- Restrooms, family restrooms, and nursing rooms
- Charging stations
- TSA PreCheck and CLEAR available
- Accessibility services (wheelchairs, assistance — request in advance)
- Ground transportation: MARTA, taxis, rideshares (Uber/Lyft), rental cars, and parking
The Domestic Terminal has clear signage. Follow “North” signs for Sun Country check-in and baggage claim.
Arrivals at Sun Country ATL Terminal
After landing, follow signs to the North Terminal Baggage Claim. Collect your luggage and exit to ground transportation, parking, or MARTA. Rideshare pickup is located downstairs.
Useful Contacts
- Sun Country Airlines: 1-651-905-2737 | suncountry.com
- ATL Airport: 1-800-897-1910 | atl.com
- Flight Status: Check on the Sun Country website/app or ATL flight information displays
Frequently Asked Questions (FAQs)
Domestic Terminal – North (typically Concourse C or D).
In the Domestic Terminal North ticketing lobby.
At least 2 hours before departure (earlier during busy periods).
Sun Country primarily operates domestic routes from Atlanta. Confirm your specific flight.
Yes, online check-in opens 24 hours before departure on suncountry.com or the mobile app.
North Terminal Domestic Baggage Claim.
Final Tips for a Smooth Trip
- Download the Sun Country and ATL airport apps for real-time gate and flight updates.
- Screenshots of your boarding pass help if mobile service is weak.
- ATL is one of the busiest airports in the world — allow extra time for security and walking between concourses.
- Confirm gate information closer to departure, as it can change.
This complete Sun Country Airlines ATL Terminal guide is designed to answer every common traveler question. Bookmark this page or share it with fellow passengers for a stress-free experience at Hartsfield-Jackson Atlanta International Airport.
Safe travels with Sun Country!