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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER
THE SECURITIES EXCHANGE ACT OF 1934
For the month of September 2025
GRUPO AEROPORTUARIO DEL SURESTE, S.A.B. de C.V.
(SOUTHEAST AIRPORT GROUP)
(Translation of Registrant’s Name Into English)
México
(Jurisdiction of incorporation or organization)
Bosque de Alisos No. 47A– 4th Floor
Bosques de las Lomas
05120 México, D.F.
(Address of principal executive offices)
(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)
| Form 20-F x | Form 40-F ¨ |
(Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)
| Yes ¨ | No x |
(If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- .)
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| Grupo Aeroportuario del Sureste, S.A.B. de C.V. | ||
| By: | /s/ ADOLFO CASTRO RIVAS | |
| Adolfo Castro Rivas | ||
| Chief Executive Officer | ||
Date: September 08, 2025
Exhibit 99.1
| Contacts:
ASUR Lic. Adolfo Castro +52-55-5284-0408 acastro@asur.com.mx |
 |
InspIR
Group Susan Borinelli +1-646-330-5907 susan@inspirgroup.com |
ASUR Announces Total Passenger Traffic for August 2025
Passenger traffic increased year-over-year in Puerto Rico by 4.6% and in Colombia by 2.7%, and decreased by 1.6% in Mexico.
Mexico City, September 8, 2025 - Grupo Aeroportuario del Sureste, S.A.B. de C.V. (NYSE: ASR; BMV: ASUR), ASUR, a leading international airport group with operations in Mexico, the U.S. and Colombia, today announced that passenger traffic for August 2025 reached a total of 6.0 million passengers, representing an increase of 0.6% compared to August 2024.
Passenger traffic increased year-over-year by 4.6% in Puerto Rico and 2.7% in Colombia, and decreased by 1.6% in Mexico. In Puerto Rico, traffic was driven by increases of 13.7% and 3.3% in international and domestic travel, respectively. In Colombia, international traffic increased 12.8% while domestic traffic decreased 3.3%. Mexico reported decreases of 0.4% in international traffic and2.6% in domestic traffic.
All figures in this release reflect comparisons between August 1 to 31, 2025 and from August 1 to 31, 2024. Figures exclude transit and general aviation passengers in Mexico and Colombia.
| Passenger Traffic Summary | |||||||
| August | % Chg | Year to date | % Chg | ||||
| 2024 | 2025 | 2024 | 2025 | ||||
| Mexico | 3,350,590 | 3,296,073 | (1.6) | 28,586,240 | 27,875,680 | (2.5) | |
| Domestic Traffic | 1,839,599 | 1,790,911 | (2.6) | 13,141,722 | 13,103,789 | (0.3) | |
| International Traffic | 1,510,991 | 1,505,162 | (0.4) | 15,444,518 | 14,771,891 | (4.4) | |
| San Juan, Puerto Rico | 1,134,323 | 1,186,630 | 4.6 | 9,274,541 | 9,757,486 | 5.2 | |
| Domestic Traffic | 990,742 | 1,023,396 | 3.3 | 8,218,594 | 8,551,044 | 4.0 | |
| International Traffic | 143,581 | 163,234 | 13.7 | 1,055,947 | 1,206,442 | 14.3 | |
| Colombia | 1,502,187 | 1,543,290 | 2.7 | 10,865,979 | 11,240,135 | 3.4 | |
| Domestic Traffic | 1,163,486 | 1,161,127 | (0.2) | 8,479,908 | 8,544,836 | 0.8 | |
| International Traffic | 338,701 | 382,163 | 12.8 | 2,386,071 | 2,695,299 | 13.0 | |
| Total Traffic | 5,987,100 | 6,025,993 | 0.6 | 48,726,760 | 48,873,301 | 0.3 | |
| Domestic Traffic | 3,993,827 | 3,975,434 | (0.5) | 29,840,224 | 30,199,669 | 1.2 | |
| International Traffic | 1,993,273 | 2,050,559 | 2.9 | 18,886,536 | 18,673,632 | (1.1) | |
ASUR Page
| Mexico Passenger Traffic | ||||||||
| August | % Chg | Year to date | % Chg | |||||
| 2024 | 2025 | 2024 | 2025 | |||||
| Domestic Traffic | 1,839,599 | 1,790,911 | (2.6) | 13,141,722 | 13,103,789 | (0.3) | ||
| CUN | Cancun | 983,288 | 921,363 | (6.3) | 6,789,074 | 6,661,817 | (1.9) | |
| CZM | Cozumel | 23,574 | 25,805 | 9.5 | 162,270 | 174,704 | 7.7 | |
| HUX | Huatulco | 64,213 | 61,152 | (4.8) | 491,235 | 448,261 | (8.7) | |
| MID | Merida | 305,445 | 317,862 | 4.1 | 2,191,682 | 2,292,215 | 4.6 | |
| MTT | Minatitlan | 13,177 | 13,745 | 4.3 | 94,175 | 102,850 | 9.2 | |
| OAX | Oaxaca | 134,031 | 140,140 | 4.6 | 1,010,265 | 1,052,318 | 4.2 | |
| TAP | Tapachula | 50,630 | 41,119 | (18.8) | 403,541 | 335,511 | (16.9) | |
| VER | Veracruz | 139,246 | 148,848 | 6.9 | 1,024,692 | 1,116,351 | 8.9 | |
| VSA | Villahermosa | 125,995 | 120,877 | (4.1) | 974,788 | 919,762 | (5.6) | |
| International Traffic | 1,510,991 | 1,505,162 | (0.4) | 15,444,518 | 14,771,891 | (4.4) | ||
| CUN | Cancun | 1,414,445 | 1,402,782 | (0.8) | 14,425,257 | 13,776,321 | (4.5) | |
| CZM | Cozumel | 22,184 | 18,346 | (17.3) | 364,170 | 283,973 | (22.0) | |
| HUX | Huatulco | 1,657 | 1,227 | (26.0) | 104,555 | 100,945 | (3.5) | |
| MID | Merida | 30,373 | 32,238 | 6.1 | 251,222 | 270,140 | 7.5 | |
| MTT | Minatitlan | 814 | 725 | (10.9) | 4,979 | 5,185 | 4.1 | |
| OAX | Oaxaca | 22,581 | 23,454 | 3.9 | 166,679 | 181,199 | 8.7 | |
| TAP | Tapachula | 1,196 | 3,055 | 155.4 | 9,297 | 16,858 | 81.3 | |
| VER | Veracruz | 14,899 | 15,116 | 1.5 | 95,354 | 103,555 | 8.6 | |
| VSA | Villahermosa | 2,842 | 8,219 | 189.2 | 23,005 | 33,715 | 46.6 | |
| Total Traffic Mexico | 3,350,590 | 3,296,073 | (1.6) | 28,586,240 | 27,875,680 | (2.5) | ||
| CUN | Cancun | 2,397,733 | 2,324,145 | (3.1) | 21,214,331 | 20,438,138 | (3.7) | |
| CZM | Cozumel | 45,758 | 44,151 | (3.5) | 526,440 | 458,677 | (12.9) | |
| HUX | Huatulco | 65,870 | 62,379 | (5.3) | 595,790 | 549,206 | (7.8) | |
| MID | Merida | 335,818 | 350,100 | 4.3 | 2,442,904 | 2,562,355 | 4.9 | |
| MTT | Minatitlan | 13,991 | 14,470 | 3.4 | 99,154 | 108,035 | 9.0 | |
| OAX | Oaxaca | 156,612 | 163,594 | 4.5 | 1,176,944 | 1,233,517 | 4.8 | |
| TAP | Tapachula | 51,826 | 44,174 | (14.8) | 412,838 | 352,369 | (14.6) | |
| VER | Veracruz | 154,145 | 163,964 | 6.4 | 1,120,046 | 1,219,906 | 8.9 | |
| VSA | Villahermosa | 128,837 | 129,096 | 0.2 | 997,793 | 953,477 | (4.4) | |
| US Passenger Traffic, San Juan Airport (LMM) | |||||||
| August | % Chg | Year to date | % Chg | ||||
| 2024 | 2025 | 2024 | 2025 | ||||
| SJU Total | 1,134,323 | 1,186,630 | 4.6 | 9,274,541 | 9,757,486 | 5.2 | |
| Domestic Traffic | 990,742 | 1,023,396 | 3.3 | 8,218,594 | 8,551,044 | 4.0 | |
| International Traffic | 143,581 | 163,234 | 13.7 | 1,055,947 | 1,206,442 | 14.3 | |
| Colombia Passenger Traffic Airplan | ||||||||
| August | % Chg | Year to date | % Chg | |||||
| 2024 | 2025 | 2024 | 2025 | |||||
| Domestic Traffic | 1,163,486 | 1,161,127 | (0.2) | 8,479,908 | 8,544,836 | 0.8 | ||
| MDE | Rionegro | 893,041 | 881,557 | (1.3) | 6,345,956 | 6,468,379 | 1.9 | |
| EOH | Medellin | 105,736 | 116,374 | 10.1 | 808,857 | 784,571 | (3.0) | |
| MTR | Monteria | 118,440 | 114,038 | (3.7) | 961,643 | 915,149 | (4.8) | |
| APO | Carepa | 14,377 | 15,700 | 9.2 | 117,062 | 117,014 | (0.0) | |
| UIB | Quibdo | 26,560 | 29,867 | 12.5 | 221,515 | 224,983 | 1.6 | |
| CZU | Corozal | 5,332 | 3,591 | (32.7) | 24,875 | 34,740 | 39.7 | |
| International Traffic | 338,701 | 382,163 | 12.8 | 2,386,071 | 2,695,299 | 13.0 | ||
| MDE | Rionegro | 338,701 | 382,163 | 12.8 | 2,386,071 | 2,695,299 | 13.0 | |
| EOH | Medellin | |||||||
| MTR | Monteria | - | - | - | - | |||
| APO | Carepa | - | - | - | - | |||
| UIB | Quibdo | - | - | - | - | |||
| CZU | Corozal | - | - | - | - | |||
| Total Traffic Colombia | 1,502,187 | 1,543,290 | 2.7 | 10,865,979 | 11,240,135 | 3.4 | ||
| MDE | Rionegro | 1,231,742 | 1,263,720 | 2.6 | 8,732,027 | 9,163,678 | 4.9 | |
| EOH | Medellin | 105,736 | 116,374 | 10.1 | 808,857 | 784,571 | (3.0) | |
| MTR | Monteria | 118,440 | 114,038 | (3.7) | 961,643 | 915,149 | (4.8) | |
| APO | Carepa | 14,377 | 15,700 | 9.2 | 117,062 | 117,014 | (0.0) | |
| UIB | Quibdo | 26,560 | 29,867 | 12.5 | 221,515 | 224,983 | 1.6 | |
| CZU | Corozal | 5,332 | 3,591 | (32.7) | 24,875 | 34,740 | 39.7 | |
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About ASUR
Grupo Aeroportuario del Sureste, S.A.B. de C.V. (ASUR) is a leading international airport operator with a portfolio of concessions to operate, maintain and develop 16 airports in the Americas. This comprises nine airports in southeast Mexico, including Cancun Airport, the most important tourist destination in Mexico, the Caribbean and Latin America, and six airports in northern Colombia, including Medellin international airport (Rio Negro), the second busiest in Colombia. ASUR is also a 60% JV partner in Aerostar Airport Holdings, LLC, operator of the Luis Muñoz Marín International Airport serving the capital of Puerto Rico, San Juan. San Juan’s Airport is the island’s primary gateway for international and mainland-US destinations and was the first, and currently the only major airport in the US to have successfully completed a public–private partnership under the FAA Pilot Program. Headquartered in Mexico, ASUR is listed both on the Mexican Bolsa, where it trades under the symbol ASUR, and on the NYSE in the U.S., where it trades under the symbol ASR. One ADS represents ten (10) series B shares. For more information, visit www.asur.com.mx.
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