Aeroméxico offers a flexible check-in window with clear guidelines depending on your flight type and needs. Here's how early you can check in:

Domestic Flights: Online and mobile check-in begins 48 hours before departure, providing ample time to select seats, pay baggage fees, and obtain a boarding pass via the website or app . This window remains open until approximately 1–2 hours before takeoff, though Aeroméxico recommends finalizing check-in before the cutoff to ensure a smooth start to your journey .

International Flights: For flights outside Mexico, the check-in window opens 24 hours before departure . During this time, you can complete the same steps—seat selection, baggage additions, and boarding pass download—until around 2 hours before your flight .

 Basic Fare Domestic Routes: If traveling on a Basic fare within Mexico, Aeroméxico limits your check-in window to 24 hours before departure, similar to international flights .

 Mobile App Convenience: The Aeroméxico mobile app mirrors the web check-in schedule (48 or 24 hours). It allows you to manage boarding passes via digital wallets, receive real-time updates regarding flight status and gates, and perform check-in up to 1 hour before takeoff, depending on the airport .

Self-Service Kiosks: At major airports like Mexico City, Monterrey, and Guadalajara, self-service kiosks are available from 24 hours before until 2 hours before departure, letting you print boarding passes and baggage tags .

Airport Counter Check-In: For those who prefer or need desk check-in—such as passengers traveling with pets, unaccompanied minors, or requiring special assistance—counters open 2 hours before domestic flights and 3 hours before international flights, closing 60–120 minutes before departure .

Baggage Drop Deadlines: Even if you check in online, you'll need to drop off checked luggage. Do this at least 60 minutes before domestic flights and 90 minutes before international ones to comply with airport regulations .

Boarding Gate Arrival: After check-in, boarding usually begins 30–45 minutes before departure for domestic flights and 45–60 minutes before international flights. Aim to arrive at your gate at least 30 minutes (domestic) or 45 minutes (international) early .

Exceptions: Certain passengers—those on codeshare flights, with pets, medical assistance needs, or infants—must check in at airport counters, as online or kiosk check-in is not permitted .

 Contact Support: If you experience technical issues during online check-in, timings appear off, or you aren’t getting your boarding pass, call Aeroméxico support at +1‑866‑551‑1186 for help .

By understanding these timelines, you can choose the best check-in method for a hassle-free travel experience. Whether you prefer the convenience of online tools or the reassurance of in-person assistance, Aeroméxico provides structured options tailored to domestic, international, and fare-specific travel needs.