Delta, United and American, hub by hub, on one page — the country each hub reaches nonstop, what runs year-round against seasonal, and which routes are new. Search a city or airport code once and see which of the three gets you there and out of which hub; the carrier strip narrows it to one when you already know who you are flying. Each carrier keeps its own cabin filter, because Delta One, Polaris and Flagship are three different seats.
| Destination Region | Best Hub(s) | Notes |
|---|---|---|
| Europe — UK, France, Netherlands | SEAJFKATL | JFK has the most frequency. ATL has LHR, CDG, AMS, FRA year-round. SEA has year-round nonstop to LHR, CDG, AMS. |
| Europe — Southern (Italy, Spain, Portugal, Greece) | JFKBOSSEA | JFK has the most southern European routes. BOS new: MAD, NCE 2026. ATL: FCO, MXP, MAD, ATH. SEA: BCN, FCO summer. |
| Europe — Germany, Central Europe | DTWATL | DTW has FRA and MUC daily year-round — fastest path to Germany from anywhere. |
| Europe — Scandinavia | JFKMSP | CPH and ARN nonstop from JFK and MSP (seasonal). Connect via AMS (KLM) or CPH (SAS) for further Scandinavia. |
| Japan (Tokyo) | SEALAXDTW | SEA, LAX, DTW, MSP and ATL all have HND nonstop. LAX has the most frequency. SEA adds NRT nonstop from Mar 27, 2027, giving it two Tokyo options. |
| South Korea (Seoul Incheon) | SEADTWMSP | SEA, DTW, MSP, ATL and SLC all have ICN nonstop. ICN = best hub for connecting across all of East/Southeast Asia via Korean Air. |
| China (Shanghai) | SEALAX | SEA–PVG and LAX–PVG both year-round daily. DTW seasonal. Beijing: connect PVG→domestic. |
| Hong Kong | LAX | LAX–HKG only, daily from Jun 2026. Every other hub is one connection via LAX. |
| Philippines (Manila) | LAX | LAX–MNL nonstop launches Mar 28, 2027 (3x weekly → daily Jun 7, A350-900). First US carrier with LAX–MNL nonstop. Until 2027 it is two connections via ICN or HND. |
| Australia & New Zealand | LAX | LAX–SYD, LAX–MEL, LAX–AKL and LAX–BNE all nonstop. Only US hub with Oceania nonstop — everywhere else is one connection via LAX. |
| Latin America — South America | ATL | ATL has GRU, GIG, SCL, LIM, BOG, CTG, GUA, PTY all nonstop. JFK for EZE only. |
| Africa | ATL | ATL is the only US Delta hub with Africa nonstop: JNB, LOS, ACC, RAK, CPT. No other hub serves Africa. |
| Middle East (Tel Aviv, Riyadh) | JFKATL | JFK–TLV is a daily year-round service. ATL–TLV is suspended through Dec 18 and resumes Dec 19. BOS–TLV is postponed indefinitely. ATL–RUH launches Oct 23, 2026. |
| Portugal (LIS, OPO) | JFKATL | JFK–OPO daily (new 2026), JFK–LIS year-round. ATL–LIS seasonal. |
| Morocco (Marrakech) | ATL | ATL–RAK daily year-round (launched Oct 2025). Then connect to Fez, Casablanca via Royal Air Maroc. |
| Caribbean & Mexico | ATLJFKMSP | ATL and JFK have most Caribbean nonstops. MSP best for Midwest travelers. Mexico primarily via ATL, SLC, or LAX. |
| Destination Region | Best Hub(s) | Notes |
|---|---|---|
| Europe — UK, France, Netherlands, Germany | EWRIADORD | Newark alone flies 16 European cities year-round. Dulles is the quieter twin with 13. Chicago covers the same ground from the Midwest, and Frankfurt/Munich are reachable nonstop from Denver, Houston and San Francisco too. |
| Europe — Mediterranean and the islands | EWRIAD | Almost entirely a summer network, and almost entirely Newark: Bari, Palermo, Split, Dubrovnik, Málaga, Palma, Faro, Funchal, Ponta Delgada, Santiago de Compostela. Dulles adds Athens, Nice and Venice. |
| Europe — Ireland, Scotland, Iceland, Greenland | EWRORDIAD | Dublin and Edinburgh year-round from Newark and Dulles. Shannon, Glasgow, Reykjavík and Nuuk are summer only — Nuuk is the first scheduled US–Greenland service. |
| Japan | SFOLAXEWR | Haneda from San Francisco, LA, Newark, Dulles and Chicago; Narita from all of those plus Denver, Houston and Guam. San Francisco adds Osaka and, from December 2026, Sapporo. |
| South Korea, China, Taiwan | SFOLAX | San Francisco has Seoul, Shanghai, Beijing and Taipei. LA has Shanghai, Beijing and Hong Kong. Newark now has Seoul nonstop. |
| Southeast Asia (Singapore, Bangkok, Manila, Ho Chi Minh City) | SFOLAX | SFO–SIN is one of the longest flights in the world and the only US nonstop to Singapore on United. Bangkok and Ho Chi Minh City are LA only; Manila runs from both SFO and Guam. |
| India | EWR | Newark–Delhi is United's only India nonstop. |
| Australia & New Zealand | SFOLAXIAH | SFO has Sydney, Brisbane, Auckland and — in season — Adelaide and Christchurch. LA has Sydney. Houston adds a seasonal Sydney, the longest Oceania route from the US interior. |
| Africa | IADEWR | Dulles is the gateway: Accra, Lagos and Cape Town. Newark adds Cape Town and Johannesburg, and Marrakesh in summer. No other United hub flies Africa. |
| Middle East (Tel Aviv, Dubai) | ORDEWR | Newark–Tel Aviv operates twice daily. Chicago and Dulles service is due back in late October; Newark–Dubai is suspended. |
| South America — Brazil, Argentina, Chile, Peru | IAHEWR | Houston is the gateway: São Paulo, Rio, Buenos Aires, Santiago (seasonal), Lima, Quito, Medellín, Bogotá, Georgetown. Newark adds São Paulo, Lima and Bogotá; Dulles and Chicago add São Paulo. |
| Central America | IAHEWR | Houston flies all of it — Belize City, Guatemala City, San Salvador, Tegucigalpa, San Pedro Sula, Managua, Roatán, Liberia. Newark covers the same countries with fewer frequencies. |
| Mexico | IAHEWRORD | Houston has eleven Mexican cities, well beyond the resorts — Querétaro, León, Morelia-adjacent Bajío, Veracruz, Mérida, Monterrey, Guadalajara. Every other hub flies the beach map. |
| Caribbean | EWRIAHORD | Newark is the deepest: 23 islands counting the summer-only routes. Houston and Chicago cover the majors. |
| Canada | ORDDENIAH | Toronto and Vancouver from most hubs; Calgary and Edmonton from Denver, Houston and Chicago; Montréal and Ottawa summer only. |
| Destination Region | Best Hub(s) | Notes |
|---|---|---|
| Europe — UK, France, Spain, Italy | PHLDFWCLT | Philadelphia has the widest European map in the network — eighteen cities counting summer. Dallas covers the same majors from the centre of the country, Charlotte from the Southeast. JFK adds the premium A321XLR service. |
| Europe — Central and Northern (Prague, Budapest, Copenhagen, Zurich) | PHLDFW | Almost entirely Philadelphia, and almost entirely summer: Prague, Budapest, Copenhagen and Edinburgh run seasonally, Zurich year-round. Dallas adds Zurich and Amsterdam in summer. |
| Europe — Germany | CLTDFW | Charlotte–Frankfurt and Charlotte–Munich year-round; Dallas–Frankfurt year-round. American flies no other German city. |
| Japan | DFWLAXORD | Dallas has both Haneda and Narita; LA has Haneda; Chicago–Narita resumes March 27, 2027. JFK–Haneda covers the East Coast. |
| South Korea & China | DFW | Dallas only — Seoul Incheon and Shanghai Pudong. Everything else in East and Southeast Asia is a connection on a oneworld partner from ICN, HND or LHR. |
| India | JFK | JFK–Delhi is American's only India nonstop. |
| Australia & New Zealand | LAXDFW | LA–Sydney year-round; Dallas adds Brisbane and Auckland in season, and LA adds Auckland. Dallas–Sydney is not flown. |
| Middle East (Tel Aviv) | JFK | JFK–Tel Aviv resumes January 6, 2027. No other American hub flies the Middle East. |
| Africa | — | American flies no African destination from any hub. Use a oneworld partner via LHR, MAD or DOH. |
| South America — Brazil, Argentina, Chile, Peru | MIADFWJFK | Miami is the fortress: São Paulo, Rio, Buenos Aires, Santiago, Lima, Montevideo, plus Quito, Guayaquil and four Colombian cities. Dallas and JFK add São Paulo and Buenos Aires. |
| Colombia, Ecuador, Guyana | MIA | Miami flies Bogotá, Medellín, Cali, Cartagena, Barranquilla, Quito, Guayaquil and Georgetown. Dallas has Bogotá; JFK has Georgetown. |
| Central America | MIADFW | Miami has every capital plus Roatán and Liberia. Dallas covers the same countries. Charlotte and Chicago add Belize City, Guatemala City and Liberia in season. |
| Mexico | DFWMIAPHX | Dallas has thirteen Mexican cities including Morelia, Oaxaca, Querétaro and León — the deepest non-resort map any US airline flies. Miami adds Mérida and Tulum. |
| Cuba | MIA | Miami is the only US hub with Cuba: Havana, Holguín, Camagüey, Santiago de Cuba and Varadero. |
| Caribbean | MIACLTPHL | Miami serves thirty-one Caribbean airports and Charlotte eighteen — between them, effectively every island with a runway. Philadelphia and JFK cover the majors. |
| Canada | DFWCLTMIA | Toronto and Vancouver from most hubs; Montréal from Dallas and Miami; Calgary from Dallas year-round and elsewhere in summer; Halifax from Philadelphia in summer. |