Denver
DEN · KDENDenver International Airport
Passengers a year
80.5M
#4 busiest in the U.S.
239
nonstop destinations
53
airlines
930
departures a day
78.6%
arrivals on time
0.9%
flights cancelled
82.4%
load factor


Airlines
United Airlines is the largest carrier at Denver, with 50% of all passengers. 53 airlines fly from here.
Share of passengers · each carrier as a slice of the whole airport
United Airlines holds 50% of the airport — the 17th most concentrated of 30 large hubs. The nearest comparison is SFO at 50%.
| Airline | Share | Passengers | Seats YoY | ||
|---|---|---|---|---|---|
UA | 50.4% | 40.6M | 197 | 82.3% | +6.2% |
WN Southwest80% full | 29.0% | 23.3M | 94 | 74.3% | -2% |
F9 Frontier82% full | 9.4% | 7.5M | 72 | 77.8% | -9.2% |
DL | 4.0% | 3.2M | 10 | 76.9% | -1.6% |
AA | 3.3% | 2.7M | 7 | 69.1% | +2.2% |
+Other airlines | 4.0% | 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
205 domestic and 34 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
1M1,014,974 departing · 82% full
United Airlines · Southwest Airlines · Frontier Airlines · Delta Air Lines · American Airlines
United Airlines · American Airlines · Southwest Airlines · Frontier Airlines
United Airlines · Alaska Airlines · Southwest Airlines · Delta Air Lines · Frontier Airlines
907K907,022 departing · 86% full
United Airlines · Southwest Airlines · Frontier Airlines
904.9K904,906 departing · 80% full
Southwest Airlines · United Airlines · Delta Air Lines · Frontier Airlines
866.5K866,466 departing · 82% full
American Airlines · United Airlines · Frontier Airlines
856.1K856,110 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)
247.9K247,855 departing · 508.3K508,307 both ways
United Airlines · Southwest Airlines · Frontier Airlines
Vancouver, Canada (YVR)
212.9K212,858 departing · 427.8K427,843 both ways
United Airlines · Air Canada
London, United Kingdom (LHR)
203.8K203,773 departing · 407.5K407,491 both ways
United Airlines · British Airways
Munich, Germany (MUC)
166.3K166,312 departing · 324.6K324,573 both ways
Lufthansa · United Airlines
Frankfurt am Main, Germany (FRA)
158.8K158,844 departing · 324.3K324,335 both ways
United Airlines · Lufthansa
Calgary, Canada (YYC)
141.6K141,643 departing · 275.8K275,785 both ways
United Airlines · WestJet
Mexico City, Mexico (MEX)
136.4K136,431 departing · 274.3K274,252 both ways
Aeroméxico · Volaris · United Airlines
Toronto, Canada (YYZ)
131.8K131,757 departing · 268.2K268,157 both ways
United Airlines · Air Canada
San José del Cabo, Mexico (SJD)
131.2K131,208 departing · 261.9K261,930 both ways
United Airlines · Southwest Airlines · Frontier Airlines
Edmonton, Canada (YEG)
101.4K101,393 departing · 196.3K196,251 both ways
United Airlines
All nonstop destinations
239 nonstop · 28 airlines · 205 domestic / 34 intl
American Eagle · operated by Envoy Air, SkyWest Airlines
United Express · operated by SkyWest Airlines
Aircraft
By share of departures at Denver.
Body class · share of departures
- Narrowbody
58,418 departures · 82% full
17.2%
- Narrowbody
48,835 departures · 81% full
14.4%
- Regional
34,739 departures · 82% full
10.2%
- Regional
30,939 departures · 72% full
9.1%
- Narrowbody
28,309 departures · 82% full
8.3%
- Narrowbody
22,721 departures · 83% full
6.7%
- Narrowbody
19,195 departures · 84% full
5.7%
- Narrowbody
17,334 departures · 83% full
5.1%
- Narrowbody
14,674 departures · 83% full
4.3%
- Narrowbody
12,149 departures · 83% full
3.6%
When Denver is busiest
Departures by month over the trailing year. Bars scale to the busiest month.
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Departures a month · peak July 2025
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
- 31,232,932 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
2,805
flights cancelled
315.1K
arrivals measured
What holds flights up
Share of delay minutes
Most reliable here
United Airlines 82.3%
Least reliable here
American Airlines 69.1%
Among US airports
#4
On time, month by month
J
A
S
O
N
D
J
F
M
A
M
J
Darker is better · 67.8%–85.4%
The weak spot is July 2025, when 67.8% of arrivals landed on time — 10.8 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 930 departures a day.
Which airline is the largest at Denver International Airport (DEN)?
United Airlines is the largest carrier at Denver (DEN), flying about 50% of its passengers. 53 airlines serve Denver in total.
How many places can you fly nonstop from Denver International Airport (DEN)?
Denver (DEN) has 239 nonstop destinations — 205 domestic and 34 international across 21 countries.
How often do flights arrive on time at Denver International Airport (DEN)?
About 78.6% of flights arriving at Denver (DEN) touch down within 15 minutes of schedule, per US DOT figures. About 0.9% 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 | United Airlines - 737 900 - New York (LGA) to Denver (DEN) | First Class
22:55 · Nov 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 June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).