| HKG–TPE | Hong Kong – Taoyuan | 1,523 |
| NRT–TPE | Narita – Taoyuan | 1,049 |
| ORD–SEA | Chicago – Seattle | 847 |
| ANC–ORD | Anchorage – Chicago | 739 |
| BKK–TPE | Bangkok – Taoyuan | 692 |
| PUS–TPE | Busan – Taoyuan | 669 |
| ICN–TPE | Seoul – Taoyuan | 609 |
| SIN–TPE | Singapore – Taoyuan | 481 |
| OKA–TPE | Naha – Taoyuan | 451 |
| LAX–MIA | Los Angeles – Miami | 442 |
| MNL–TPE | Manila (Pasay) – Taoyuan | 433 |
| SGN–SIN | Ho Chi Minh City – Singapore | 432 |
| ATL–SFO | Atlanta – San Francisco | 432 |
| LAX–TPE | Los Angeles – Taoyuan | 425 |
| SGN–TPE | Ho Chi Minh City – Taoyuan | 415 |
| SFO–TPE | San Francisco – Taoyuan | 405 |
| ANC–TPE | Anchorage – Taoyuan | 404 |
| HKG–KHH | Hong Kong – Kaohsiung (Xiaogang) | 388 |
| AKL–BNE | Auckland – Brisbane | 378 |
| PVG–TPE | Shanghai (Pudong) – Taoyuan | 372 |
| HAN–TPE | Hanoi (Soc Son) – Taoyuan | 358 |
| FUK–TPE | Fukuoka – Taoyuan | 346 |
| HND–TSA | Tokyo – Taipei (Songshan) | 325 |
| NGO–TPE | Tokoname – Taoyuan | 313 |
| CTS–TPE | Sapporo – Taoyuan | 272 |
| HAN–SIN | Hanoi (Soc Son) – Singapore | 268 |
| SEA–TPE | Seattle – Taoyuan | 267 |
| KHH–KIX | Kaohsiung (Xiaogang) – Osaka | 260 |
| KHH–NRT | Kaohsiung (Xiaogang) – Narita | 258 |
| KUL–TPE | Sepang – Taoyuan | 242 |
| BKK–CGK | Bangkok – Jakarta | 225 |
| JFK–YYZ | New York – Toronto | 206 |
| ANC–JFK | Anchorage – New York | 201 |
| PEK–TPE | Beijing – Taoyuan | 186 |
| FRA–LHR | Frankfurt am Main – London | 184 |
| DEL–FRA | New Delhi – Frankfurt am Main | 183 |
| DAD–TPE | Da Nang – Taoyuan | 165 |
| CGK–TPE | Jakarta – Taoyuan | 163 |
| SZX–TPE | Shenzhen – Taoyuan | 163 |
| ANC–DFW | Anchorage – Dallas-Fort Worth | 162 |
| ICN–KHH | Seoul – Kaohsiung (Xiaogang) | 138 |
| CAN–TPE | Guangzhou (Huadu) – Taoyuan | 131 |
| OKA–RMQ | Naha – Taichung (Qingshui) | 128 |
| SHA–TSA | Shanghai (Minhang) – Taipei (Songshan) | 126 |
| AMS–DEL | Amsterdam – New Delhi | 125 |
| AMS–BOM | Amsterdam – Mumbai | 124 |
| MIA–SEA | Miami – Seattle | 119 |
| TPE–YVR | Taoyuan – Vancouver | 111 |
| JFK–TPE | New York – Taoyuan | 110 |
| CEB–TPE | Cebu City/Lapu-Lapu City – Taoyuan | 109 |
| CNX–TPE | Chiang Mai – Taoyuan | 107 |
| DPS–TPE | Kuta, Badung – Taoyuan | 106 |
| KHH–PVG | Kaohsiung (Xiaogang) – Shanghai (Pudong) | 101 |
| AMS–TPE | Amsterdam – Taoyuan | 100 |
| KHH–OKA | Kaohsiung (Xiaogang) – Naha | 99 |
| BKK–KHH | Bangkok – Kaohsiung (Xiaogang) | 94 |
| FUK–KHH | Fukuoka – Kaohsiung (Xiaogang) | 93 |
| CGK–HAN | Jakarta – Hanoi (Soc Son) | 89 |
| FRA–TPE | Frankfurt am Main – Taoyuan | 88 |
| PEN–TPE | Penang – Taoyuan | 83 |
| ONT–TPE | Ontario – Taoyuan | 82 |
| KHH–MNL | Kaohsiung (Xiaogang) – Manila (Pasay) | 81 |
| KMJ–TPE | Kumamoto – Taoyuan | 79 |
| TPE–VIE | Taoyuan – Vienna | 76 |
| KIX–LAX | Osaka – Los Angeles | 74 |
| GMP–KHH | Seoul – Kaohsiung (Xiaogang) | 73 |
| PRG–TPE | Prague – Taoyuan | 72 |
| TPE–XMN | Taoyuan – Xiamen | 70 |
| GMP–TSA | Seoul – Taipei (Songshan) | 68 |
| PHX–TPE | Phoenix – Taoyuan | 65 |
| BNE–TPE | Brisbane – Taoyuan | 62 |
| KTI–TPE | Phnom Penh (Boeng Khyang) – Taoyuan | 60 |
| CTU–TPE | Chengdu (Shuangliu) – Taoyuan | 54 |
| LHR–TPE | London – Taoyuan | 53 |
| TAK–TPE | Takamatsu – Taoyuan | 50 |
| CKG–TPE | Chongqing – Taoyuan | 49 |
| SYD–TPE | Sydney (Mascot) – Taoyuan | 49 |
| KIX–ORD | Osaka – Chicago | 47 |
| MEL–TPE | Melbourne – Taoyuan | 40 |
| KHH–KMJ | Kaohsiung (Xiaogang) – Kumamoto | 39 |
| HIJ–TPE | Hiroshima – Taoyuan | 35 |
| DEL–TPE | New Delhi – Taoyuan | 32 |
| NGO–ORD | Tokoname – Chicago | 23 |
| KHH–SIN | Kaohsiung (Xiaogang) – Singapore | 21 |
| FCO–TPE | Rome – Taoyuan | 21 |
| ROR–TPE | Babelthuap Island – Taoyuan | 20 |
| DEL–LUX | New Delhi – Luxembourg | 18 |
| KOJ–TPE | Kagoshima – Taoyuan | 15 |
| TOY–TPE | Toyama – Taoyuan | 14 |
| NGO–YYZ | Tokoname – Toronto | 12 |
| RGN–TPE | Yangon – Taoyuan | 8 |
| KHH–SZX | Kaohsiung (Xiaogang) – Shenzhen | 8 |
| HAN–PEN | Hanoi (Soc Son) – Penang | 8 |
| BOM–TPE | Mumbai – Taoyuan | 7 |
| KHH–TPE | Kaohsiung (Xiaogang) – Taoyuan | 6 |
| CKG–KHH | Chongqing – Kaohsiung (Xiaogang) | 5 |
| KHH–TAK | Kaohsiung (Xiaogang) – Takamatsu | 4 |
| RMQ–TPE | Taichung (Qingshui) – Taoyuan | 3 |
| KKJ–RMQonce | Kitakyushu – Taichung (Qingshui) | 1 |
| JFK–KIXonce | New York – Osaka | 1 |
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