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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 May 2026
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: May 6, 2026
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 |
|
 |
||
| Lic. David Barlow +52-55-5284-0483 dbarlow@asur.com.mx |
ASUR Announces Total Passenger Traffic for April 2026
Passenger traffic increased year-on-year by 5. 6% in Colombia, and decreased by 2.6% in México and 2.2 % in Puerto Rico
Mexico City, May 6, 2026 - 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 April 2026 reached a total of 6.0 million passengers, representing a decrease of 0.7% compared to April 2025.
Passenger traffic showed a year-on-year increase of 5.6% in Colombia, while traffic declined 2.6% in Mexico and 2.2% in Puerto Rico. Growth in Colombia was driven by increases of 5.9% in domestic traffic and 4.7% in international traffic, while Mexico reported decreases of 3.3% and 1.9% in in international and domestic traffic, respectively, and Puerto Rico decreases of 6.4% and 1.7% in international and domestic traffic, respectively.
All figures in this statement reflect comparisons between the period from April 1 to April 30, 2026, and from April 1 to March 30, 2025. Note that Easter Week in 2026 took place from April 29 to April 5, while in 2025 it was from April 13 to April 20, 2025. Transit and general aviation passengers are excluded only for Mexico and Colombia.
| Passenger Traffic Summary | |||||||
| April | % Chg | Year to date | % Chg | ||||
| 2025 | 2026 | 2024 | 2025 | ||||
| Mexico | 3,511,745 | 3,419,141 | (2.6) | 14,456,882 | 14,357,116 | (0.7) | |
| Domestic Traffic | 1,653,649 | 1,622,844 | (1.9) | 6,234,133 | 6,168,238 | (1.1) | |
| International Traffic | 1,858,096 | 1,796,297 | (3.3) | 8,222,749 | 8,188,878 | (0.4) | |
| San Juan, Puerto Rico | 1,174,568 | 1,148,395 | (2.2) | 4,783,150 | 4,678,193 | (2.2) | |
| Domestic Traffic | 1,033,889 | 1,016,764 | (1.7) | 4,261,135 | 4,158,077 | (2.4) | |
| International Traffic | 140,679 | 131,631 | (6.4) | 522,015 | 520,116 | (0.4) | |
| Colombia | 1,340,348 | 1,415,450 | 5.6 | 5,386,702 | 5,908,668 | 9.7 | |
| Domestic Traffic | 1,032,952 | 1,093,626 | 5.9 | 4,111,608 | 4,545,060 | 10.5 | |
| International Traffic | 307,396 | 321,824 | 4.7 | 1,275,094 | 1,363,608 | 6.9 | |
| Total Traffic | 6,026,661 | 5,982,986 | (0.7) | 24,626,734 | 24,943,977 | 1.3 | |
| Domestic Traffic | 3,720,490 | 3,733,234 | 0.3 | 14,606,876 | 14,871,375 | 1.8 | |
| International Traffic | 2,306,171 | 2,249,752 | (2.4) | 10,019,858 | 10,072,602 | 0.5 | |
ASUR Page
| Mexico Passenger Traffic | ||||||||
| April | % Chg | Year to date | % Chg | |||||
| 2025 | 2026 | 2025 | 2026 | |||||
| Domestic Traffic | 1,653,649 | 1,622,844 | (1.9) | 6,234,133 | 6,168,238 | (1.1) | ||
| CUN | Cancun | 835,045 | 789,691 | (5.4) | 3,122,813 | 2,911,321 | (6.8) | |
| CZM | Cozumel | 22,995 | 23,333 | 1.5 | 75,554 | 80,094 | 6.0 | |
| HUX | Huatulco | 55,891 | 53,325 | (4.6) | 216,020 | 206,547 | (4.4) | |
| MID | Merida | 287,801 | 308,622 | 7.2 | 1,095,167 | 1,205,524 | 10.1 | |
| MTT | Minatitlan | 13,069 | 11,836 | (9.4) | 49,405 | 44,408 | (10.1) | |
| OAX | Oaxaca | 133,769 | 128,678 | (3.8) | 524,781 | 507,866 | (3.2) | |
| TAP | Tapachula | 41,372 | 41,641 | 0.7 | 170,834 | 165,506 | (3.1) | |
| VER | Veracruz | 142,650 | 145,219 | 1.8 | 526,546 | 566,067 | 7.5 | |
| VSA | Villahermosa | 121,057 | 120,499 | (0.5) | 453,013 | 480,905 | 6.2 | |
| International Traffic | 1,858,096 | 1,796,297 | (3.3) | 8,222,749 | 8,188,878 | (0.4) | ||
| CUN | Cancun | 1,739,253 | 1,674,788 | (3.7) | 7,636,701 | 7,586,254 | (0.7) | |
| CZM | Cozumel | 33,368 | 33,777 | 1.2 | 184,035 | 180,054 | (2.2) | |
| HUX | Huatulco | 12,885 | 14,489 | 12.4 | 93,311 | 104,085 | 11.5 | |
| MID | Merida | 32,524 | 31,690 | (2.6) | 144,275 | 153,679 | 6.5 | |
| MTT | Minatitlan | 558 | 794 | 42.3 | 2,378 | 2,824 | 18.8 | |
| OAX | Oaxaca | 19,800 | 17,104 | (13.6) | 94,435 | 85,434 | (9.5) | |
| TAP | Tapachula | 3,246 | 4,999 | 54.0 | 8,830 | 11,322 | 28.2 | |
| VER | Veracruz | 12,207 | 12,414 | 1.7 | 45,408 | 48,635 | 7.1 | |
| VSA | Villahermosa | 4,255 | 6,242 | 46.7 | 13,376 | 16,591 | 24.0 | |
| Traffic Total Mexico | 3,511,745 | 3,419,141 | (2.6) | 14,456,882 | 14,357,116 | (0.7) | ||
| CUN | Cancun | 2,574,298 | 2,464,479 | (4.3) | 10,759,514 | 10,497,575 | (2.4) | |
| CZM | Cozumel | 56,363 | 57,110 | 1.3 | 259,589 | 260,148 | 0.2 | |
| HUX | Huatulco | 68,776 | 67,814 | (1.4) | 309,331 | 310,632 | 0.4 | |
| MID | Merida | 320,325 | 340,312 | 6.2 | 1,239,442 | 1,359,203 | 9.7 | |
| MTT | Minatitlan | 13,627 | 12,630 | (7.3) | 51,783 | 47,232 | (8.8) | |
| OAX | Oaxaca | 153,569 | 145,782 | (5.1) | 619,216 | 593,300 | (4.2) | |
| TAP | Tapachula | 44,618 | 46,640 | 4.5 | 179,664 | 176,828 | (1.6) | |
| VER | Veracruz | 154,857 | 157,633 | 1.8 | 571,954 | 614,702 | 7.5 | |
| VSA | Villahermosa | 125,312 | 126,741 | 1.1 | 466,389 | 497,496 | 6.7 | |
| US Passenger Traffic, San Juan Airport (LMM) | |||||||
| April | % Chg | Year to date | % Chg | ||||
| 2025 | 2026 | 2025 | 2026 | ||||
| SJU Total | 1,174,568 | 1,148,395 | (2.2) | 4,783,150 | 4,678,193 | (2.2) | |
| Domestic Traffic | 1,033,889 | 1,016,764 | (1.7) | 4,261,135 | 4,158,077 | (2.4) | |
| International Traffic | 140,679 | 131,631 | (6.4) | 522,015 | 520,116 | (0.4) | |
| Colombia Passenger Traffic Airplan | ||||||||
| April | % Chg | Year to date | % Chg | |||||
| 2025 | 2026 | 2025 | 2026 | |||||
| Domestic Traffic | 1,032,952 | 1,093,626 | 5.9 | 4,111,608 | 4,545,060 | 10.5 | ||
| MDE | Rionegro | 784,536 | 833,027 | 6.2 | 3,102,383 | 3,468,805 | 11.8 | |
| EOH | Medellin | 93,071 | 89,875 | (3.4) | 366,513 | 362,535 | (1.1) | |
| MTR | Monteria | 110,138 | 123,137 | 11.8 | 460,764 | 526,326 | 14.2 | |
| APO | Carepa | 15,078 | 15,202 | 0.8 | 55,241 | 60,089 | 8.8 | |
| UIB | Quibdo | 26,544 | 30,228 | 13.9 | 104,987 | 118,569 | 12.9 | |
| CZU | Corozal | 3,585 | 2,157 | (39.8) | 21,720 | 8,736 | (59.8) | |
| International Traffic | 307,396 | 321,824 | 4.7 | 1,275,094 | 1,363,608 | 6.9 | ||
| MDE | Rionegro | 307,396 | 321,824 | 4.7 | 1,275,094 | 1,363,608 | 6.9 | |
| EOH | Medellin | |||||||
| MTR | Monteria | - | - | - | - | |||
| APO | Carepa | - | - | - | - | |||
| UIB | Quibdo | - | - | - | - | |||
| CZU | Corozal | - | - | - | - | |||
| Traffic Total Colombia | 1,340,348 | 1,415,450 | 5.6 | 5,386,702 | 5,908,668 | 9.7 | ||
| MDE | Rionegro | 1,091,932 | 1,154,851 | 5.8 | 4,377,477 | 4,832,413 | 10.4 | |
| EOH | Medellin | 93,071 | 89,875 | (3.4) | 366,513 | 362,535 | (1.1) | |
| MTR | Monteria | 110,138 | 123,137 | 11.8 | 460,764 | 526,326 | 14.2 | |
| APO | Carepa | 15,078 | 15,202 | 0.8 | 55,241 | 60,089 | 8.8 | |
| UIB | Quibdo | 26,544 | 30,228 | 13.9 | 104,987 | 118,569 | 12.9 | |
| CZU | Corozal | 3,585 | 2,157 | (39.8) | 21,720 | 8,736 | (59.8) | |
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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 across the Americas. The Company operates nine airports in southeastern Mexico, including Cancún Airport, the largest tourist gateway in Mexico, the Caribbean, and Latin America; as well as six airports in northern Colombia, including Medellin international airport (Rionegro), the second busiest in Colombia.
ASUR also holds a 60% interest in Aerostar Airport Holdings, LLC, operator of Luis Muñoz Marin International Airport in San Juan, the capital of Puerto Rico, the island’s primary international gateway. San Juan Airport was the first and remains the only major airport in the U.S. to have successfully completed a public–private partnership under the FAA Pilot Program. ASUR has recently expanded into airport commercial services through ASUR US Airports, which partners with airports and airlines to deliver enhanced retail and passenger experiences. ASUR US Airports operates at major U.S. hubs, including Los Angeles International, Chicago O’Hare, and John F. Kennedy International, and has historically shown competitive performance against U.S. commercial revenue benchmarks.
Headquartered in Mexico, ASUR is listed on both the Mexican Bolsa (BMV) under the symbol ASUR, and on the NYSE in the U.S., where it trades under the symbol ASR. One ADS represents ten (10) B-series shares. For further information, visit www.asur.com.mx.
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