Chicago O’Hare Worldwide Airport (ORD) is the world’s eighth busiest airport, and the most important airfield serving america’ third-largest metropolis. It is residence to a significant hub for
American Airways, and performs host to
United Airways’ largest hub. With large enterprise demand and main connecting hubs operated by two of the world’s largest airways, it has important demand with flights throughout the nation and the world, receiving service from over 30 worldwide carriers.
Chicago is a significant enterprise hub, and the town’s sheer dimension signifies that any route can faucet into substantial native demand. Moreover, the hubs of American and United imply that alliance companions cannot solely pull native demand, but additionally acquire entry to main connecting networks operated by each airways. As such, there’s a robust presence from oneworld airways (of which American is a member) in addition to airways from Star Alliance (of which United is a member).
The Longest Route To Chicago In 2025
Information from Cirium, an aviation information analytics firm, exhibits that Chicago O’Hare obtained seven routes over 6,000 NM (11,112 KM) in 2025. Of those, the longest is Cathay Pacific’s day by day route from Chicago O’Hare to
Hong Kong Worldwide Airport. This route clocks in at 7,793 miles, 6,771 nautical miles, or 12,541 kilometers lengthy, and Cathay blocks the route at as much as 14 hours 45 minutes flying East, whereas the route is scheduled to final 15 hours 55 minutes when returning to Hong Kong.
Cathay Pacific at present operates flights 806 and 807 day by day with an Airbus A350-1000. The airline configures this plane with a complete of 334 seats, comprising 46 enterprise class seats, 32 premium financial system seats, and 256 financial system seats. The A350, whereas not Cathay’s flagship plane (that might as a substitute be the Boeing 777), does function many of the airline’s longest routes, and the provider solely flies 4 longer routes.
Whereas Cathay is the one airline at present connecting these two cities, this route beforehand noticed service from United Airways, which was terminated in 2019. Be aware, nonetheless, that American Airways and Cathay Pacific share a long-standing relationship as a part of their mutual
oneworld membership. As such, American does promote tickets on this flight though Cathay Pacific operates the route, whereas rival United has to route passengers by way of the West Coast to get them to Hong Kong.
Quantity Two Goes To Africa
Ethiopian Airways has constructed maybe essentially the most strong connecting hub in Africa. It’s the largest African airline by fleet dimension, passenger numbers, vacation spot depend, and income, serving over 150 locations from its hub at Bole Worldwide Airport in Addis Ababa. The provider operates providers to 5 airports in america, and its flight to Chicago O’Hare is the airport’s second longest, crossing a distance of 6,584 NM (12,194 KM).
That is Ethiopian’s second-longest path to the US, and it is the world’s second-longest flight using the Boeing 787-8. This flight is crushed by Ethiopian’s path to Atlanta in each features, as these flights are longer and in addition use the 787-8. Ethiopian flies 19 examples of the 787-8 and configures them in a two-class format with a complete of 270 seats: 24 seats in enterprise class and 246 seats in financial system.
Ethiopian US Locations
Plane Kind
Distance (NM)
Distance (KM)
Westbound Stopover
Hartsfield-Jackson Atlanta Worldwide Airport
Boeing
787-8
6,694 NM
12,397 KM
Rome Fiumicino
Airport
Chicago O’Hare
Worldwide Airport
Boeing
787-8
6,584 NM
12,194 KM
Rome Fiumicino
Airport
Washington Dulles
Worldwide Airport
Airbus
A350-900,
Boeing
787-8
6,251 NM
11,576 KM
Rome Fiumicino
Airport,
Lome Tokoin
Airport (each methods)
Newark Liberty
Worldwide Airport
Boeing
787-8
Not flown nonstop
Not flown nonstop
Lome Tokoin
Airport (each methods)
New York John F. Kennedy
Worldwide Airport
Boeing
787-8
6,054 NM
11,213 KM
Rome Fiumicino
Airport,
Abidjan Port Bouet
Airport (each methods)
As spectacular as Ethiopian’s community is, the airline has one main problem in that its hub, Bole Worldwide Airport, is 7,625 toes (2,334 meters) above sea degree. This can be a main subject for Ethiopian’s US operations, that are a few of its longest flights. As such, all of Ethiopian’s flights to america function with a stopover (Rome within the case of the Chicago route), whereas some eastbound flights function nonstop.
South Asia And The Center East
Quantity three on the checklist of the longest routes out of Chicago is Air India’s nonstop service from O’Hare to Delhi. Flights function between three and day by day, relying on the season, using a Boeing 777. The provider switches between a number of variants of the 777, utilizing both its ex-Delta Boeing 777-200LRs or considered one of its Boeing 777-300ER plane. The route crosses a distance of 6,502 NM (12,042 KM), inserting it barely beneath the path to Addis Ababa.
Numbers 5, six, and 7 are all routes from Chicago to the three largest airports within the Center East: Abu Dhabi operated by
Etihad Airways (6,321 NM/11,708 KM), Dubai operated by
Emirates (6,296 NM/11,661 KM), and Doha, operated by
Qatar Airways (6,198 NM/11,479 KM). Nevertheless, whereas these three airways typically differ in fleet technique, Emirates and Qatar each function the Boeing 777-300ER on this route, whereas Etihad flies the similarly-sized Airbus A350-1000.
Airline
Plane
First
Enterprise
Premium Economic system
Economic system
Whole
Emirates
Boeing
777-300ER
6
38
24
256
324
Etihad Airways
Airbus
A350-1000
N/A
44
N/A
327
371
Qatar Airways
Boeing
777-300ER
N/A
42
N/A
312
354
Along with Abu Dhabi, Dubai, and Doha, Chicago additionally receives service to Amman and, later this yr, Tel Aviv. Nevertheless, these two routes, operated by Royal Jordanian and United Airways, respectively, are far shorter than the prior three routes, and so they do not even crack the highest 10. The truth that they’re served in any respect, nonetheless, is a testomony to the financial affect and robust native demand of the realm.
Extra Routes To East Asia
Chicago receives substantial air service from Asian carriers, and the second-longest route from Chicago to East Asia (behind the path to Hong Kong) is EVA Air’s day by day service from Chicago to Taipei. This route covers a distance of 6,479 NM (12,001 KM), making it the fourth-longest route from Chicago O’Hare, and operates utilizing a Boeing 777-300ER. EVA Air flies 33 examples of the 777-300ER with three completely different layouts, and notably, two out of the three nonetheless characteristic nine-abreast in financial system.
Korean Air operates day by day providers between Chicago and Seoul utilizing the Boeing 777-300ER. This route measures 5,693 nautical miles (10,544 kilometers), making it one of many shorter routes on this checklist. Korean Air flies 25 Boeing 777-300ERs, that are set to start retrofits quickly. Notably, these planes characteristic first-class, and Korean Air is probably going capitalizing on elevated demand for premium lessons.
Whereas each the path to Taipei and the path to Seoul characteristic one day by day flight every, the marginally shorter path to Tokyo receives much more service. This route is flown by United Airways and
Star Alliance accomplice All Nippon Airways (ANA). Notably, each airways function one day by day flight to Tokyo Haneda Airport, whereas ANA additionally serves Tokyo Narita Worldwide Airport. Moreover, oneworld member Japan Airways operates day by day service to Narita and to Haneda, which means that 5 day by day flights join Tokyo and Chicago.
The Longest European Routes From Chicago
Whereas Chicago does obtain important service to Europe, the town’s location signifies that it is nearer to Europe than to Asia. As such, a majority of European routes are far shorter than the longest routes to Asia. The longest European route is to Istanbul, clocking in at a distance of 4,756 NM (8,809 KM), and it is operated as much as thrice a day by Turkish Airways. Turkish flies each the Boeing 787-9 and the 777-300ER on this route, making it one of the vital well-served markets on this checklist.
The second-longest path to Europe from Chicago is to Athens at 4,747 nautical miles (8,791 kilometers), served by each United and American. The previous flies the Boeing 787-10, whereas the latter makes use of the 787-8. Each of those routes are operated as seasonal providers through the summer season, and they’re additionally among the many longest routes from america that Athens receives.
Though Chicago receives important service to Asian and European locations, the airport’s community to South America is much extra restricted. The longest route connecting Chicago O’Hare to South America is United’s day by day service to São Paulo. This route operates year-round and is flown with a 318-seat Boeing 787-10, the most important plane that United flies out of Chicago (because it now not operates a Boeing 777 base right here).
Rundown Of Chicago’s Longest Routes
Chicago O’Hare is among the busiest airports on the earth, and given its location, market dimension, and two hubs, it is no shock that over 30 airways join Chicago with 4 extra continents. Beforehand, Air New Zealand additionally ran nonstop Boeing 787 service between Chicago and Auckland, and at 7,112 NM (13,171 KM), this was the longest route out of the town till it was suspended as a result of points with Air New Zealand’s 787 fleet.
Whereas Chicago is in a comparatively central location within the US, it is nonetheless situated within the japanese half of the nation and, as such, is much nearer to Europe than to Asia. For this reason flights to Asia are a lot longer than these to Europe. Nevertheless, this distance is not stopping airways from launching new routes to beforehand uneconomical locations, primarily made doable by way of the Airbus A350, Boeing 777-300ER, and Boeing 787. Beneath is the entire checklist of Chicago’s 10 longest routes.
Vacation spot
Airline
Plane
Distance (NM)
Distance (KM)
Hong Kong
Cathay Pacific
Airbus A350-1000
6,771 NM
12,541 KM
Addis Ababa,
Ethiopia
Ethiopian Airways
Boeing 787-8
6,584 NM.
12,194 KM
Delhi,
India
Air India
Boeing 777-200LR,
Boeing 777-300ER
6,502 NM
12,042 KM
Taipei,
Taiwan
EVA Air
Boeing 777-300ER
6,480 NM
12,001 KM
Abu Dhabi,
UAE
Etihad Airways
Airbus A350-1000
6,322 NM
11,709 KM
Dubai,
UAE
Emitates
Boeing 777-300ER
6,297 NM
11,662 KM
Doha,
Qater
Qatar Airways
Boeing 777-300ER
6,198 NM
11,470 KM
Seoul,
South Korea
Korean Air
Boeing 777-300ER
5,693 NM
10,543 KM
Tokyo-Haneda,
Tokyo-Narita,
Japan
All Nippon Airways,
Japan Airways,
United Airways
Boeing 777-300ER
Boeing 777-300ER
Boeing 787-10
5,479 NM
5,452 NM
10,147 KM
10,097 KM








