Hubs
Mega
Denver International Airport (DEN)
Hub Overview
Passengers
77.8M
Destinations
215
Connectivity
93/100
Transit
good
Hub Airlines
UA
United Airlines
primary
WN
Southwest Airlines
focus-city
F9
Frontier Airlines
primary
Alliance Presence
Star Alliance
Terminal & Lounges
Terminal Overview
DEN has one main terminal (Jeppesen Terminal) and three concourses (A, B, C) connected by an underground automated train.
Lounge Highlights
The United Club in Concourse B is the largest lounge at DEN. The Centurion Lounge is in Concourse C near gate C46.
Transit Tips
- United operates from Concourse B; Southwest uses Concourse C; Frontier is in Concourse A.
- The automated train connects the main terminal (Jeppesen) to all three concourses in under 5 minutes.
- Allow at least 50 minutes for connections involving the main terminal security checkpoint.
- The Great Hall (main terminal) is undergoing renovation; follow detour signs for check-in.
- Altitude can cause mild dehydration; drink extra water, especially on layovers.
Ground Transport
The A Line commuter rail connects DEN to Denver Union Station in 37 minutes for $10.50. Rideshare pickup is on level 5 of the parking garage.
Fun Facts
- DEN is the largest airport in the US by land area at 33,531 acres.
- Its iconic tent-like roof is designed to evoke the snow-capped Rocky Mountains.
- Conspiracy theories surround the airport due to its underground tunnels and unusual artwork.