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 dataWhat 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.
8,796 departures · 1,201,800 passengers
79.2%
Load
7,836 departures · 906,367 passengers
79.4%
Load
7,813 departures · 1,010,530 passengers
81.3%
Load
7,119 departures · 1,018,736 passengers
79.3%
Load
6,313 departures · 913,174 passengers
87.6%
Load
6,168 departures · 1,007,202 passengers
84.9%
Load
6,072 departures · 855,200 passengers
83.6%
Load
5,914 departures · 870,417 passengers
82.5%
Load
5,787 departures · 828,849 passengers
82.2%
Load
5,526 departures · 840,970 passengers
85.0%
Load
5,463 departures · 910,907 passengers
86.1%
Load
5,177 departures · 629,650 passengers
75.2%
Load
5,151 departures · 350,304 passengers
76.1%
Load
4,643 departures · 811,961 passengers
84.2%
Load
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.
- UA
19,812,493 seats · 84.1% load
40.0%
Share
- WN
14,802,036 seats · 79.1% load
29.9%
Share
- OO
4,769,449 seats · 78.0% load
9.6%
Share
- F9
4,597,268 seats · 81.3% load
9.3%
Share
- DL
1,923,462 seats · 80.0% load
3.9%
Share
- AA
1,542,999 seats · 82.2% load
3.1%
Share
- AS
451,051 seats · 84.5% load
0.9%
Share
- AC
Air Canada
227,266 seats · 73.9% load
0.5%
Share
- LH
Lufthansa
212,408 seats · 82.2% load
0.4%
Share
- B6
190,008 seats · 80.5% load
0.4%
Share
Aircraft flown from Denver
Aircraft types by share of departures — what actually operated, not what's based here.
58,522 departures · 80.9% load
17.2%
Share
48,318 departures · 79.5% load
14.2%
Share
34,898 departures · 80.6% load
10.3%
Share
32,212 departures · 72.4% load
9.5%
Share
28,678 departures · 80.6% load
8.4%
Share
21,741 departures · 82.8% load
6.4%
Share
19,383 departures · 84.0% load
5.7%
Share
17,502 departures · 82.5% load
5.1%
Share
15,056 departures · 82.8% load
4.4%
Share
12,327 departures · 83.1% load
3.6%
Share
11,154 departures · 81.9% load
3.3%
Share
9,813 departures · 83.5% load
2.9%
Share
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.