Denver
DEN · KDENDenver International Airport
Passengers a year
80.5M
#4 busiest in the U.S.
244
nonstop destinations
51
airlines
931
departures a day
79.3%
arrivals on time
0.8%
flights cancelled
82.4%
load factor


Airlines
United Airlines is the largest carrier at Denver, with 51% of all passengers. 51 airlines fly from here.
Share of passengers · each carrier as a slice of the whole airport
United Airlines holds 51% of the airport — the 17th most concentrated of 30 large hubs. The nearest comparison is SFO at 51%.
| Airline | Share | Passengers | Seats YoY | ||
|---|---|---|---|---|---|
UA | 50.5% | 40.7M | 200 | 83.1% | +4.9% |
WN Southwest80% full | 28.8% | 23.2M | 95 | 74.8% | -2.6% |
F9 Frontier82% full | 9.5% | 7.6M | 66 | 78.4% | -3.2% |
DL | 4.0% | 3.2M | 11 | 77.9% | -1.3% |
AA | 3.3% | 2.7M | 7 | 69.4% | +1.4% |
+Other airlines | 3.9% | 3.2M | — | — | — |
Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.
Destinations
209 domestic and 35 international nonstop destinations from Denver, across 21 countries.
94% domestic · 6% international · by departing passengers
Top domestic destinations
Southwest Airlines · United Airlines · Frontier Airlines · American Airlines
Southwest Airlines · United Airlines · Frontier Airlines
1M1,034,335 departing · 83% full
United Airlines · Southwest Airlines · Frontier Airlines · Delta Air Lines · American Airlines
United Airlines · American Airlines · Frontier Airlines · Southwest Airlines
United Airlines · Alaska Airlines · Southwest Airlines · Delta Air Lines · Frontier Airlines
902.1K902,093 departing · 79% full
Southwest Airlines · United Airlines · Delta Air Lines · Frontier Airlines
902K902,003 departing · 86% full
United Airlines · Southwest Airlines · Frontier Airlines
866.8K866,813 departing · 82% full
American Airlines · United Airlines · Frontier Airlines
855.7K855,731 departing · 83% full
Delta Air Lines · Southwest Airlines · United Airlines · Frontier Airlines · Sun Country Airlines
Delta Air Lines · Southwest Airlines · Frontier Airlines · United Airlines
Top international destinations
Cancún, Mexico (CUN)
239.2K239,243 departing · 490.4K490,393 both ways
United Airlines · Southwest Airlines · Frontier Airlines
Vancouver, Canada (YVR)
210.8K210,788 departing · 420.3K420,273 both ways
United Airlines · Air Canada
London, United Kingdom (LHR)
203K202,995 departing · 408.4K408,376 both ways
United Airlines · British Airways
Munich, Germany (MUC)
161.2K161,246 departing · 315.4K315,416 both ways
Lufthansa · United Airlines
Frankfurt am Main, Germany (FRA)
158.9K158,869 departing · 325.4K325,379 both ways
United Airlines · Lufthansa
Calgary, Canada (YYC)
136.4K136,414 departing · 265.6K265,620 both ways
United Airlines · WestJet
Mexico City, Mexico (MEX)
135.7K135,687 departing · 273.5K273,512 both ways
Aeroméxico · Volaris · United Airlines
Toronto, Canada (YYZ)
125.9K125,885 departing · 256.9K256,857 both ways
United Airlines · Air Canada
San José del Cabo, Mexico (SJD)
125.1K125,115 departing · 251.3K251,321 both ways
United Airlines · Southwest Airlines
Edmonton, Canada (YEG)
103.2K103,167 departing · 200.2K200,247 both ways
United Airlines
All nonstop destinations
244 nonstop · 28 airlines · 209 domestic / 35 intl
American Eagle · operated by Envoy Air, SkyWest Airlines
Delta Connection · operated by SkyWest Airlines
United Express · operated by SkyWest Airlines
Aircraft
By share of departures at Denver.
Body class · share of departures
- Narrowbody
57,889 departures · 82% full
17.0%
- Narrowbody
49,877 departures · 81% full
14.7%
- Regional
35,132 departures · 82% full
10.3%
- Regional
29,185 departures · 70% full
8.6%
- Narrowbody
27,629 departures · 82% full
8.1%
- Narrowbody
24,942 departures · 84% full
7.3%
- Narrowbody
18,714 departures · 84% full
5.5%
- Narrowbody
17,041 departures · 83% full
5.0%
- Narrowbody
14,185 departures · 83% full
4.2%
- Narrowbody
12,032 departures · 83% full
3.5%
When Denver is busiest
Departures by month over the trailing year. Bars scale to the busiest month.
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Departures a month · peak July 2026
Annual passengers since 1990
Total passengers, arriving and departing, in every year on record.
Passengers a year
Every year
- 1990
- 25,203,244
- 1991
- 25,795,197
- 1992
- 28,249,622
- 1993
- 29,685,611
- 1994
- 30,759,896
- 1995
- 29,267,194
- 1996
- 31,266,076
- 1997
- 33,108,438
- 1998
- 34,768,903
- 1999
- 36,107,126
- 2000
- 36,652,378
- 2001
- 33,925,968
- 2002
- 33,747,042
- 2003
- 36,648,662
- 2004
- 41,442,549
- 2005
- 42,233,491
- 2006
- 46,295,353
- 2007
- 49,024,149
- 2008
- 49,689,258
- 2009
- 49,167,605
- 2010
- 51,657,442
- 2011
- 52,709,873
- 2012
- 52,827,235
- 2013
- 52,108,666
- 2014
- 52,848,005
- 2015
- 53,255,909
- 2016
- 57,309,547
- 2017
- 60,379,596
- 2018
- 63,386,403
- 2019
- 67,813,932
- 2020
- 33,109,243
- 2021
- 57,826,960
- 2022
- 68,179,402
- 2023
- 76,208,330
- 2024
- 80,450,034
- 2025
- 80,248,711
- 2026
- 46,597,692 so far
Arriving on time
Of every 100 flights landing at Denver, 79 touch down within 15 minutes of schedule, 20 arrive late, and 1 is cancelled.
Every 100 arrivals
16 min
average delay
2,615
flights cancelled
315.5K
arrivals measured
What holds flights up
Share of delay minutes
Most reliable here
United Airlines 83.1%
Least reliable here
American Airlines 69.4%
Among US airports
#4
On time, month by month
A
S
O
N
D
J
F
M
A
M
J
J
Darker is better · 72.2%–85.4%
The weak spot is August 2025, when 72.2% of arrivals landed on time — 7.1 points below the year. The strongest was November 2025 at 85.4%.
Frequently asked
How busy is Denver International Airport (DEN)?
Denver International Airport handled about 80.5M passengers over the trailing 12 months, ranking #4 among U.S. airports by passengers, with roughly 931 departures a day.
Which airline is the largest at Denver International Airport (DEN)?
United Airlines is the largest carrier at Denver (DEN), flying about 51% of its passengers. 51 airlines serve Denver in total.
How many places can you fly nonstop from Denver International Airport (DEN)?
Denver (DEN) has 244 nonstop destinations — 209 domestic and 35 international across 21 countries.
How often do flights arrive on time at Denver International Airport (DEN)?
About 79.3% of flights arriving at Denver (DEN) touch down within 15 minutes of schedule, per US DOT figures. About 0.8% are cancelled.
What aircraft flies most from Denver International Airport (DEN)?
The Boeing 737-800 flew the largest share of departures from Denver (DEN), about 17% of the total.
Trip reports on YouTube
Fliers post trip reports from flights through Denver (DEN) to YouTube. These three were matched automatically from public YouTube listings — The Frequent Flier does not host, review, or endorse them.

QFS Aviation
TRIP REPORT | NetJets - Hawker 900XP - Denver (DEN) to Roswell (ROW)
19:44 · Mar 2018

Genki's Travels
Lufthansa | A350-900 | Economy Class | Munich (MUC) To Denver (DEN) | Trip Report
23:17 · Jul 2022

MileHigh Aviation
Trip Report | United Airlines A320 Denver (DEN) - Durango (DRO) | Economy
14:27 · Apr 2025
Source: YouTube. Titles, thumbnails, and channel names come from YouTube. Playing a video loads the YouTube player, and using it means you agree to the YouTube Terms of Service; the Google Privacy Policy applies.
Departing counts passengers leaving Denver; international destinations also show both directions. Data: traffic August 2025 – July 2026, on-time August 2025 – July 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).