Mon, Nov 12, 2018 (2 a.m.)
| International airline | passengers | Average daily flights | Cities | |
| 1 | WestJet Based in Calgary, Canada 888-937-8538 • westjet.com | 725,867 | 9.2 | 8 |
| 2 | British Airways Based in Harmondsworth, England 800-247-9297 • britishairways.com | 268,525 | 1.6 | 1 |
| 3 | Virgin Atlantic Airways Based in Crawley, United Kingdom 800-862-8621 • virgin-atlantic.com | 211,023 | 0.7 | 2 |
| 4 | Volaris Airlines Based in Santa Fe, Mexico 855-865-2747 • volaris.com | 135,127 | 1.7 | 2 |
| 5 | ABC Aerolinea dba Interjet Based in Toluca, Mexico 866-285-8307 • interjet.com | 132,092 | 2.1 | 3 |
| 6 | AeroMexico Based in Mexico City, Mexico 800-237-66639 • aeromexico.com | 117,938 | 2.7 | 2 |
| 7 | Thomas Cook Airlines Based in London, England +44 (0)20-7557-6400 • thomascook.com | 92,149 | not listed | 0 |
| 8 | Korean Air Lines Based in Gangseo-gu, Seoul, South Korea 800-438-5000 • koreanair.com | 89,448 | 0.7 | 1 |
| 9 | Copa Airlines Based in Panama City, Panama 800-359-2672 • copaair.com | 76,139 | 1 | 1 |
| 10 | Viva Aerobus (Aeroenlaces Nacionales S.A. de C.V.) Based in Apodaca, Mexico 888-935-9848 • vivaaerobus.com | 73,982 | 1.1 | 2 |
| 11 | Condor Flugdienst Based in Kelsterbach, Germany 866-960-7915 • condor.com | 56,701 | 0.3 | 1 |
| 12 | Edelweiss Air Based in Zurich, Switzerland +41 (0)848-333-593 • flyedelweiss.com | 41,473 | not listed | 0 |
| 13 | Hainan Airlines Based in Haikou City, China 888-688-8813 • hainanairlines.com | 41,343 | 0.5 | 1 |
| 14 | Norwegian Air Shuttle ASA Based in Fornebu, Norway 800-357-4159 • norwegian.com | 32,033 | 0.7 | 4 |
| 15 | Air Canada Based in Montreal, Canada 514-422-5000 • aircanada.com | 5,128 | 6.5 | 4 |
Source: McCarran International Airport documents and VEGAS INC research. This list is a representation of the companies who responded to our request for information. It is not the intent of this list to endorse the participants or to imply that the listing of a company indicates its quality. Although every attempt is made to ensure the accuracy and thoroughness of VEGAS INC charts, omissions sometimes occur and some businesses do not respond. Please send corrections or additions to [email protected].