Chicago
ORD · KORDChicago O'Hare International Airport
Passengers a year
84.7M
#2 busiest in the U.S.
284
nonstop destinations
82
airlines
1,171
departures a day
73.7%
arrivals on time
2.9%
flights cancelled
82.7%
load factor


Airlines
United Airlines is the largest carrier at Chicago, with 48% of all passengers. 82 airlines fly from here.
Share of passengers · each carrier as a slice of the whole airport
United Airlines holds 48% of the airport — the 18th most concentrated of 30 large hubs. The nearest comparison is DEN at 51%.
| Airline | Share | Passengers | Seats YoY | ||
|---|---|---|---|---|---|
UA | 47.8% | 40.5M | 209 | 75.4% | +13.1% |
AA | 33.3% | 28.2M | 181 | 72.8% | +20.8% |
DL | 3.4% | 2.8M | 8 | 70.5% | +0.8% |
F9 Frontier83% full | 1.9% | 1.6M | 20 | 65.5% | +14.6% |
NK Spirit83% full | 1.6% | 1.3M | 14 | 66.5% | -46.8% |
+Other airlines | 12.1% | 10.2M | — | — | — |
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
210 domestic and 74 international nonstop destinations from Chicago, across 48 countries.
83% domestic · 17% international · by departing passengers
Top domestic destinations
United Airlines · American Airlines · Delta Air Lines · Spirit Airlines
1.2M1,161,547 departing · 85% full
United Airlines · American Airlines · Frontier Airlines · Spirit Airlines
United Airlines · American Airlines · Frontier Airlines · Southwest Airlines
986.2K986,211 departing · 87% full
United Airlines · American Airlines
United Airlines · American Airlines · Spirit Airlines · Southwest Airlines · Frontier Airlines
960.5K960,549 departing · 84% full
American Airlines · United Airlines · Frontier Airlines
United Airlines · American Airlines · Delta Air Lines · JetBlue Airways
United Airlines · American Airlines · Spirit Airlines
United Airlines · American Airlines · Frontier Airlines · Spirit Airlines
American Airlines · United Airlines · Southwest Airlines · Frontier Airlines
Top international destinations
London, United Kingdom (LHR)
523.5K523,494 departing · 1M1,036,729 both ways
American Airlines · British Airways · United Airlines
Toronto, Canada (YYZ)
440.2K440,202 departing · 871.5K871,533 both ways
Air Canada · United Airlines · American Airlines
Cancún, Mexico (CUN)
401.3K401,255 departing · 798K798,030 both ways
United Airlines · American Airlines · Frontier Airlines · Spirit Airlines
Mexico City, Mexico (MEX)
383.7K383,710 departing · 745.2K745,209 both ways
Volaris · Aeroméxico · Viva · United Airlines · American Airlines
Frankfurt am Main, Germany (FRA)
361.4K361,389 departing · 709.9K709,926 both ways
United Airlines · Lufthansa
Dublin, Ireland (DUB)
239.7K239,672 departing · 499K498,991 both ways
Aer Lingus · United Airlines · American Airlines
Tokyo, Japan (HND)
229.9K229,885 departing · 471.7K471,697 both ways
United Airlines · Japan Airlines · All Nippon Airways
Guadalajara, Mexico (GDL)
207.5K207,543 departing · 403.8K403,788 both ways
Volaris · Viva · Aeroméxico
Paris, France (CDG)
205.8K205,831 departing · 405.1K405,137 both ways
United Airlines · Air France · American Airlines
Munich, Germany (MUC)
193.3K193,259 departing · 378.1K378,064 both ways
Lufthansa · United Airlines
All nonstop destinations
284 nonstop · 51 airlines · 210 domestic / 74 intl
American Eagle · operated by Envoy Air, PSA Airlines, Republic Airways, SkyWest Airlines
United Express · operated by GoJet Airlines, Republic Airways, SkyWest Airlines
Aircraft
By share of departures at Chicago.
Body class · share of departures
- Regional
82,645 departures · 80% full
19.3%
- Narrowbody
56,440 departures · 82% full
13.2%
Bombardier CRJ-550
37,145 departures · 82% full
8.7%
- Regional
33,036 departures · 78% full
7.7%
- Narrowbody
25,023 departures · 80% full
5.9%
- Regional
23,078 departures · 77% full
5.4%
- Narrowbody
22,828 departures · 84% full
5.3%
- Regional
21,645 departures · 71% full
5.1%
- Narrowbody
19,986 departures · 83% full
4.7%
- Narrowbody
16,288 departures · 82% full
3.8%
When Chicago 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 May 2026
Annual passengers since 1990
Total passengers, arriving and departing, in every year on record.
Passengers a year
Every year
- 1990
- 55,083,593
- 1991
- 54,997,486
- 1992
- 60,816,243
- 1993
- 61,506,737
- 1994
- 63,157,010
- 1995
- 63,338,885
- 1996
- 64,661,454
- 1997
- 66,437,192
- 1998
- 68,884,391
- 1999
- 68,158,255
- 2000
- 67,386,487
- 2001
- 62,464,456
- 2002
- 62,578,692
- 2003
- 66,882,367
- 2004
- 73,113,411
- 2005
- 74,303,443
- 2006
- 74,639,032
- 2007
- 73,845,341
- 2008
- 68,041,844
- 2009
- 62,874,851
- 2010
- 65,037,316
- 2011
- 64,631,432
- 2012
- 64,988,247
- 2013
- 65,290,680
- 2014
- 68,014,498
- 2015
- 73,132,848
- 2016
- 75,652,858
- 2017
- 77,545,125
- 2018
- 80,158,362
- 2019
- 82,133,919
- 2020
- 29,381,224
- 2021
- 52,948,214
- 2022
- 66,608,053
- 2023
- 72,022,512
- 2024
- 77,634,373
- 2025
- 81,769,754
- 2026
- 49,444,265 so far
Arriving on time
Of every 100 flights landing at Chicago, 74 touch down within 15 minutes of schedule, 23 arrive late, and 3 are cancelled.
Every 100 arrivals
25 min
average delay
10,574
flights cancelled
347.6K
arrivals measured
What holds flights up
Share of delay minutes
Most reliable here
Republic Airways 78.5%
Least reliable here
Frontier Airlines 65.5%
Among US airports
#2
On time, month by month
A
S
O
N
D
J
F
M
A
M
J
J
Darker is better · 66%–79.6%
The weak spot is December 2025, when 66% of arrivals landed on time — 7.7 points below the year. The strongest was September 2025 at 79.6%.
Frequently asked
How busy is Chicago O'Hare International Airport (ORD)?
Chicago O'Hare International Airport handled about 84.7M passengers over the trailing 12 months, ranking #2 among U.S. airports by passengers, with roughly 1,171 departures a day.
Which airline is the largest at Chicago O'Hare International Airport (ORD)?
United Airlines is the largest carrier at Chicago (ORD), flying about 48% of its passengers. 82 airlines serve Chicago in total.
How many places can you fly nonstop from Chicago O'Hare International Airport (ORD)?
Chicago (ORD) has 284 nonstop destinations — 210 domestic and 74 international across 48 countries.
How often do flights arrive on time at Chicago O'Hare International Airport (ORD)?
About 73.7% of flights arriving at Chicago (ORD) touch down within 15 minutes of schedule, per US DOT figures. About 2.9% are cancelled.
What aircraft flies most from Chicago O'Hare International Airport (ORD)?
The Embraer E175 flew the largest share of departures from Chicago (ORD), about 19% of the total.
Trip reports on YouTube
Fliers post trip reports from flights through Chicago (ORD) to YouTube. These three were matched automatically from public YouTube listings — The Frequent Flier does not host, review, or endorse them.

Simply Aviation
TRIPREPORT | All Nippon Airways (BUSINESS - THE ROOM) | Boeing 777-300ER | Chicago ORD - Tokyo NRT
28:09 · Jun 2023

Genki's Travels
United Airlines | B777-200 | First Class | Chicago (ORD) to Los Angeles (LAX) | Trip Report
21:47 · May 2026

Jviation
AMAZING 14-Hour Economy Flight! | Cathay Pacific A350-1000 HKG-ORD Trip Report
11:41 · Dec 2024
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 Chicago; 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).