Page last updated: 3 March 2026

Denver International Airport (DEN) is the third‑busiest airport in the United States and the sixth‑busiest worldwide. In 2025 it handled more than 82 million travelers, serving as a critical hub for both domestic and international flights throughout the western United States.

How many passengers pass through Denver International Airport each year?

Denver International Airport handled over 80 million passengers in 2025, matching its 2024 record and maintaining its position among the world’s busiest airports.

International vs Domestic Passengers

DEN remains primarily a domestic airport, but international traffic is growing quickly.

Inbound vs Outbound Passengers

DEN demonstrates a relatively balanced flow of inbound and outbound traffic, reflecting its dual role as both a destination airport and a major connecting hub.

Passenger Flow: Inbound vs Outbound (2022-2025)

YearDomestic Inbound
(in million)
Domestic Outbound
(in million)
International Inbound
(in million)
International Outbound
(in million)
202232.9733.001.681.64
202336.9136.892.032.00
202438.8938.832.332.32
202538.7938.772.442.43

What is the total number of aircraft operations at Denver International Airport each year?

Denver recorded 705,469 take-offs and landings in 2025, ranking fourth worldwide for aircraft movements.

Aircraft Operations by Type

Aircraft Operations at Denver International Airport  by Type (2022-2025)

Type2022202320242025
Air Carrier510,345579,760609,341610,489
Air Taxi101,75378,81282,12891,678
General Aviation3,4663,2893,2623,036
Military169149169266

Note: Air taxi operations refer to on-demand commercial flights using small aircraft and are classified under general aviation, which includes all non-scheduled civil aviation activities outside commercial airline services.

Which airlines operate the most flights out of Denver International Airport?

Two carriers dominate DEN and together carry more than three‑quarters of all passengers.

Airlines at Denver International Airport by Passenger Volume (2022-2025)

Passenger Volume (in Millions)
Airline2022202320242025
United32.136.438.941.4
Southwest21.224.025.624.0
Frontier6.87.58.37.6
Delta3.43.73.63.3
American2.72.72.82.8
Other3.13.53.13.2

Denver Travel Resources

Passenger Traffic Trends at Denver International Airport

Passenger numbers show clear seasonality. Traffic builds early in the year, peaks in mid‑summer, and tapers toward year‑end.

Most Popular Destinations from Denver International Airport

Domestic Destinations

International Destinations

How much cargo does Denver International Airport handle annually?

Cargo tonnage has grown steadily over the past decade.

Delays and Cancellations at Denver International Airport

What is the total annual operating revenue generated at Denver International Airport?

Denver International Airport crossed the $1 billion mark in annual operating revenue in 2023 and 2024, setting a new record in the airport’s financial history.

Note: 2025 revenue data for Denver International Airport is not available yet.

Incidents at Denver International Airport

Additional Facts about Denver International Airport

Other US Airport Statistics

America & USA Travel Statistics Resources


References

  1. FD: Passenger and Revenue data of Denver International Airport
  2. DT: International Destination of Passenger from Denver International Airport
  3. BTS: Top Domestic Destination of Passenger from Denver International Airport and On-Time Performance Summary
  4. NTSB: Denver International Airport Incident Information