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Airports · Denver International Airport

Flights from Denver (DEN)

Airlines flew 340,022 departures out of Denver International Airport (DEN) carrying 40,252,619 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.

What flies from Denver

US DOT T-100 · filed data

What airlines actually flew out of Denver — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.

Departures

340,022

April 2026

Seats flown

49,553,000

Passengers

40,252,619

Load factor

81.2%

passengers ÷ seats

Busiest routes from Denver

Where flights from Denver go most, by departures over the trailing 12 months.

  • DENPHX

    8,796 departures · 1,201,800 passengers

    79.2%

    Load

  • DENSLC

    7,836 departures · 906,367 passengers

    79.4%

    Load

  • DENLAX

    7,813 departures · 1,010,530 passengers

    81.3%

    Load

  • DENLAS

    7,119 departures · 1,018,736 passengers

    79.3%

    Load

  • DENSEA

    6,313 departures · 913,174 passengers

    87.6%

    Load

  • DENORD

    6,168 departures · 1,007,202 passengers

    84.9%

    Load

  • DENMSP

    6,072 departures · 855,200 passengers

    83.6%

    Load

  • DENDFW

    5,914 departures · 870,417 passengers

    82.5%

    Load

  • DENSAN

    5,787 departures · 828,849 passengers

    82.2%

    Load

  • DENATL

    5,526 departures · 840,970 passengers

    85.0%

    Load

  • DENSFO

    5,463 departures · 910,907 passengers

    86.1%

    Load

  • DENAUS

    5,177 departures · 629,650 passengers

    75.2%

    Load

  • DENCOS

    5,151 departures · 350,304 passengers

    76.1%

    Load

  • DENIAH

    4,643 departures · 811,961 passengers

    84.2%

    Load

  • DENMCO

    4,551 departures · 742,640 passengers

    85.3%

    Load

Airlines at Denver

Ranked by seats flown — the capacity each carrier actually operated out of Denver.

Aircraft flown from Denver

Aircraft types by share of departures — what actually operated, not what's based here.

Monthly departures from Denver

Monthly departures from Denver, trailing 12 months through April 2026. Bars scale to the busiest month.

  • May 2025

    28,906 departures · 3,488,051 passengers

    82.9%

    Load

  • June 2025

    30,406 departures · 3,715,818 passengers

    83.8%

    Load

  • July 2025

    31,403 departures · 3,904,118 passengers

    84.6%

    Load

  • August 2025

    29,961 departures · 3,655,202 passengers

    83.5%

    Load

  • September 2025

    28,319 departures · 3,432,749 passengers

    83.1%

    Load

  • October 2025

    29,568 departures · 3,587,810 passengers

    82.8%

    Load

  • November 2025

    26,773 departures · 3,049,618 passengers

    77.7%

    Load

  • December 2025

    27,941 departures · 3,257,797 passengers

    79.8%

    Load

  • January 2026

    26,049 departures · 2,873,165 passengers

    76.5%

    Load

  • February 2026

    24,581 departures · 2,783,943 passengers

    78.2%

    Load

  • March 2026

    28,854 departures · 3,402,446 passengers

    81.1%

    Load

  • April 2026

    27,261 departures · 3,101,902 passengers

    78.8%

    Load

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.