โฐ Minimum Connection Times
Domestic โ Domestic
40
minutes
Domestic โ International
90
minutes
International โ Domestic
90
minutes
International โ International
90
minutes
Interline Connections
120
minutes
๐ข Terminal Information
Denver International Airport features a distinctive architectural design with its iconic tent-like roof structure inspired by the snow-capped Rocky Mountains, creating one of the most recognizable airport profiles in the world. The airport operates through a single main terminal building connected to three concourses (A, B, and C) via an efficient underground automated train system that provides reliable service throughout the day.
The main terminal houses all check-in facilities, baggage claim areas, and ground transportation access points on multiple levels, with the train station located on Level 5. Concourse A primarily serves United Airlines and its Star Alliance partners as United's major western hub, Concourse B accommodates various domestic and international carriers including American, Delta, and international airlines, while Concourse C handles additional United operations and other carriers. The underground train system operates with frequent service, typically every 2-3 minutes during peak hours and every 4-6 minutes during off-peak periods, making connections between concourses quick and convenient.
Security checkpoints are positioned on Level 6 of the main terminal, with separate north and south checkpoints serving different concourses, plus dedicated international and United Club security areas. TSA PreCheck and CLEAR lanes are available at all checkpoints, with wait times ranging from 15-25 minutes during standard periods to 45-90 minutes during peak travel times, holiday periods, and weather delays that are common during Colorado's winter months.
International operations are distributed across all concourses with customs and immigration facilities located in the main terminal's Level 5. International arrivals proceed through comprehensive CBP facilities including Global Entry kiosks, while connecting passengers follow marked paths to the train system. Weather-related delays are frequent during winter months due to snow and ice conditions requiring extensive de-icing operations.
The airport offers extensive amenities throughout all areas, including restaurants featuring Colorado cuisine and local breweries, retail shops highlighting Colorado products and outdoor gear, and multiple airline lounges including United Clubs in all concourses, an American Admirals Club, and several independent lounges. The airport is renowned for its art installations throughout the terminal and concourses, free Wi-Fi, abundant charging stations, and family-friendly amenities including nursing rooms, children's play areas, and pet relief facilities.
๐ Connection Tips
Denver International Airport (DEN) is a major global hub, and understanding its sprawling layout is key to a smooth connection. The most important tip is the use of the Automated Guideway Transit System (AGTS), the underground train that connects the Jeppesen Terminal to Concourses A, B, and C. The train runs every 2-3 minutes, but it is often extremely crowded; if you are connecting to Concourse A, you can bypass the train by using the pedestrian bridge from the terminal, which offers great views of the airfield. For ground transportation to downtown Denver, the 'A Line' commuter rail is the best connection.
The station is located directly under the Westin Hotel at the Transit Center; a $10 ticket serves as a day pass for all regional transit. For rideshares (Uber/Lyft), the pickup zones are on Level 6, while taxis and shuttles use Level 5. A major operational factor at DEN is the 'High Plains' weather; winter blizzards and summer thunderstorms can cause sudden, massive delays. Always build a significant buffer (at least 90-120 minutes) for connections, especially during winter months when de-icing procedures are standard.
Within the terminal, security lines can be long, but the West and South checkpoints now feature updated technology to improve flow. For those with long layovers, Concourse B houses the main United Club hub, while the outdoor decks on the ends of the concourses provide fresh air and mountain views. Lastly, check your gate carefully, as the concourses are very long and walking from the train station to the furthest gate (like B95) can take 10 to 15 minutes.
โฐ Minimum Connection Times
Domestic โ Domestic
60
minutes
Domestic โ International
90
minutes
Interline Connections
120
minutes
๐ข Terminal Information
Lehigh Valley International Airport (ABE), located in Allentown, Pennsylvania, serves as a vital regional gateway to the Lehigh Valley and Eastern Pennsylvania. It offers a less congested and more convenient travel experience compared to larger metropolitan hubs. The airport features a single, modern terminal building spread across two levels, designed for efficient passenger processing and easy navigation. The lower level is dedicated to arrivals, housing baggage claim, car rental counters, and exits to ground transportation. The upper level manages departures, with ticket counters, airline check-in desks, and the Transportation Security Administration (TSA) screening checkpoint.
The airport continually invests in enhancing its passenger facilities. A recent TSA Checkpoint Terminal Connector Project has significantly upgraded the security area, incorporating up to four screening lanes, modern escalators and elevators, and an enhanced air purification system. The terminal is structured with two main concourses: Concourse A on the ground level serves airlines like Allegiant Air, American Airlines, and Delta Air Lines, while Concourse B on the upper level is utilized by United Airlines and Frontier Airlines.
Amenities at ABE are well-appointed for a regional facility, including several cafes and snack bars, shops for essentials and souvenirs, and free Wi-Fi throughout. ABE also offers family-friendly amenities such as a children's play area, a sensory room, and a therapy dog program, along with occasional live music performances, creating a welcoming atmosphere for all travelers.
๐ Connection Tips
Connecting through Lehigh Valley International Airport provides efficient access to Pennsylvania's fourth-busiest passenger facility serving 14 nonstop destinations through Allegiant Air, American Airlines, Delta Air Lines, United Airlines, and Frontier Airlines from its renovated single terminal with two-level design. The airport's 14 gates split between ground-level Concourse A (8 gates) and upper-level Concourse B (6 gates) enable quick connections with minimal walking distances, while recent TSA Checkpoint Terminal Connector Project upgrades include four screening lanes, modern escalators, and enhanced air purification systems reducing security wait times to 3-8 minutes with PreCheck or CLEAR enrollment.
Domestic connections benefit from ABE's position as an alternative to crowded Philadelphia, Newark, and JFK airports, offering reliable connectivity to major hubs including Atlanta via Delta, Charlotte via American, Chicago O'Hare via United, and Detroit via Delta for onward domestic and international connections. Regional destinations include popular leisure markets such as Fort Lauderdale, Orlando Sanford, Myrtle Beach, Nashville, and Florida Gulf Coast cities through Allegiant's low-cost network, while business travelers utilize American's Charlotte hub and United's Newark and Chicago services for broader network access.
Weather-related disruptions during Northeast winter storms can impact operations, though ABE's modern runway and de-icing equipment maintain better reliability than larger metropolitan airports. Ground transportation includes rental cars, taxis, and ride-sharing services for the 65-mile drive to Philadelphia or 90-mile journey to New York City, while regional bus connections serve Allentown, Bethlehem, and Easton. The airport's family-friendly amenities including children's play areas, sensory rooms, and therapy dog programs create comfortable connection environments, while free WiFi and dining options support extended layovers in this efficiently designed regional aviation facility.
โ Back to Denver International Airport