Navigating Denver International Airport (DEN) for a Southwest Airlines flight requires knowing where to check in, which concourse to head toward, and how to dodge peak congestion. Southwest operates heavily out of Concourse C at DEN, though ticket counters and baggage drop are housed in the main Jeppesen Terminal. Arriving without a clear plan means dealing with long lines at security and a lengthy underground train ride.
Getting through the airport smoothly comes down to understanding the layout before you step out of your ride. Whether you're checking bags, connecting between flights, or trying to find food near your gate, knowing how the terminal and concourses connect will save you time and stress.
Southwest Ticket Counters and Baggage Drop
Your journey starts at the Jeppesen Terminal, the main building at DEN. Southwest maintains its primary ticket counters and baggage drop services on the west side of the terminal. If you arrive by car, shuttle, or rideshare, aim to use passenger drop-off zones on the west side to stay closest to the Southwest counters.
- Check-In Times: The ticket counters open well before the first morning departure. If you're checking physical bags, ensure you arrive at least two hours before domestic departures. Southwest requires checked bags to be dropped off at least 45 minutes prior to scheduled departure.
- Self-Tagging Kiosks: You can bypass full-service agent lines by using self-service kiosks to print boarding passes and bag tags before heading to the drop-off belt.
- Curbside Check-in: When available, curbside check-in options outside the west terminal doors offer a fast alternative if you only have bags to drop and don't need complex ticketing assistance.
Navigating Security Checkpoints at DEN
DEN features two main security screening areas in the Jeppesen Terminal: the East Security Checkpoint and the West Security Checkpoint. A bridge security checkpoint also serves Concourse A directly from the Westin hotel and transit center side, but standard passenger screening happens primarily in the main terminal.
- Checkpoint Choice: You can use either the East or West checkpoint regardless of which concourse your flight departs from. Check live wait times on the Official Denver International Airport Website before walking into a line, as queues shift rapidly during morning and holiday rushes.
- TSA PreCheck and Priority: Southwest passengers enrolled in TSA PreCheck or eligible priority programs can access dedicated lanes to speed up screening. Keep your boarding pass ready and watch for signage directing you to the correct side of the terminal.
Concourse C: The Main Hub for Southwest
Once you clear security, you must take the automated underground Airport Train System (AGTS) to reach your gate. Southwest flights primarily depart from Concourse C, though operational changes or heavy traffic can occasionally route flights through other concourses. Always check your boarding pass monitors immediately after clearing security.
Concourse C spans a long layout filled with dining and shopping options. Because Southwest operates a high volume of flights out of Denver, gates can get crowded quickly. Give yourself enough time to walk from the train station up to your specific gate, especially if your flight boards shortly after you arrive at the concourse.
Connecting Flights and Layovers
If Denver is a connection point for your Southwest itinerary, you won't need to exit security or claim your bags unless you leave the secure area.
- Changing Concourses: If your arriving flight lands in Concourse A or B and your departing Southwest flight leaves from Concourse C, simply follow overhead signs to the underground train station. Trains arrive every few minutes and connect all three concourses to the main terminal.
- Layover Amenities: Concourse C offers various sit-down restaurants, coffee shops, and grab-and-go spots. If you face an extended layover, you can explore the central hub of Concourse C or take the train back toward the terminal to access the Westin Denver International Airport hotel lobby and public seating areas.
Common Mistakes to Avoid
- Going to the Wrong Terminal Side: Entering on the East side when Southwest is on the West side adds an unnecessary walk across the massive terminal length. Tell your rideshare driver or shuttle to drop you off on the west side.
- Cutting it Too Close on Baggage: Southwest's strict 45-minute cutoff for checked baggage is enforced. Cutting your arrival time down to an hour before domestic boarding leaves zero room for unexpected lobby lines.
- Ignoring Gate Changes: DEN is prone to dynamic gate adjustments. Don't rely solely on the gate listed when you first printed your pass hours prior; check the screens near the security exit and inside the train stations.
Frequently Asked Questions
Which side of the Denver airport is Southwest on?
Southwest ticket counters and baggage drop are located on the west side of the Jeppesen Terminal.
What concourse do Southwest flights use at DEN?
Southwest flights primarily use Concourse C. However, always verify your gate on the airport monitors after clearing security, as gate assignments can change.
How early should I arrive for a domestic Southwest flight at DEN?
Arriving at least two hours before departure is recommended for domestic flights. This accounts for potential lines at the west ticket counter, security screening queues, and the train ride out to Concourse C.
Can I walk between concourses at Denver Airport?
No, the concourses are separated by the airfield. You must use the underground Automated Guideway Transit System train to travel between Concourses A, B, C, and the main terminal.
