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Guide to Tips and Precautions for Travelers at AICM
The Mexico City International Airport (AICM) is a complex and often chaotic environment. To help you navigate it successfully, we have distilled the collective experience of thousands of travelers into a guide of practical tips and essential precautions. From how to avoid common scams to strategies for dealing with crowds and delays, this manual will prepare you for the real challenges of the airport.
Frequently Asked Questions and Quick Tips
What is the #1 problem I should avoid at all costs?
The theft of belongings from checked luggage. It is one of the most serious and persistent complaints. Never pack valuables (electronics, jewelry, money, important medications) in the suitcase you are going to check. Always carry them with you in your carry-on luggage.
What is the safest way to take a taxi?
Exclusively use the authorized taxis whose service is paid for at the official kiosks inside the terminal. Completely ignore people who approach you in the hallways offering transportation. This is the golden rule to avoid scams and ensure your safety.
Is arriving 3 hours early enough for an international flight?
It is the recommended minimum, but many experienced travelers suggest adding an extra hour. The lines for check-in, the chaos at security checkpoints, and the long walks, especially in T1, can consume time unexpectedly.
Is there any risk when buying at the Duty-Free?
Yes, a very big one if you have a connecting flight. The Dufry store has a history of not using the required security packaging for liquids, which causes your alcohol purchases to be confiscated at security in other airports (Europe, USA, etc.). Avoid buying liquids if you have a layover.

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Traveler's Manual: Essential Precautions
The Threat of Baggage Theft
Petty theft or the opening of checked bags is a real and frequent problem. Your strategy: in addition to not checking valuables, use TSA-approved locks or consider wrapping your suitcase in plastic as a deterrent. If you notice that your luggage has been forced open or something is missing upon collection, report it to the airline IMMEDIATELY, before leaving the baggage claim area.
An Airport in "Eternal" Remodeling
Both terminals are constantly under construction, which translates to noise, dust, blocked corridors, and confusing temporary signage. This affects walking times and creates a general sense of disorder. Your strategy: do not assume that the path to your boarding gate will be quick and direct. Add extra time to navigate through the construction zones and follow the alternative signs carefully.
Staff Treatment: Prepare for the Worst
One of the most painful complaints is the rude, dismissive, and unhelpful treatment from staff, not only from airlines but also from security and other services. Your strategy: arrive with the mindset that you might encounter unfriendly staff. Stay calm, be polite but firm, and have all your documents ready to minimize confrontational interactions. Your patience will be your best tool.
Before Leaving and During the Flight
1. Planning and Timing
📌 Recommendation: The golden rule is to arrive with more time than you think you need.
- Domestic flights: Minimum 2.5 hours before.
- International flights: Minimum 3.5 to 4 hours before.
🚦 Caution: Vehicle access to the airport is a bottleneck. Traffic in CDMX is chaotic, so add a generous time buffer just for the commute.
2. Security and Immigration Checkpoints
📌 Recommendation: Have your liquids (less than 100 ml / 3.4 oz) in a clear bag and your electronic devices ready to take out.
🚦 Caution: The security checkpoint is chaotic and slow. Do not lose sight of your belongings on the conveyor belt, as it is a vulnerable point. On international arrivals, the immigration line can easily exceed 45 minutes.
Shopping and Food: Tips for Your Wallet and Your Stomach
1. Smart Shopping
📌 Recommendation: For authentic, high-quality souvenirs, the MAP Store (Museum of Popular Art) in Terminal 2 is the best option.
🚦 Caution: Be wary of prices at Dufry (often more expensive) and Britt Shop (hidden and exorbitant prices). The risk of confiscation of liquids purchased at Dufry is very high.
2. Safe Eating
📌 Recommendation: The safest options with consistent quality are Maison Kayser and La Mansión, although they are expensive.
🚦 Caution: There are multiple and serious reports of food poisoning at several establishments, especially at El Fogoncito, La Cachondita Pibil, and Chili's. Avoid eating at places that do not inspire confidence and be wary of food that is not freshly prepared.
General Security Precautions
✔️ Transportation: ONLY use authorized prepaid taxis from the kiosks or recognized apps like Uber. Decline any verbal offers.
✔️ Luggage: Never lose sight of it. As much as possible, do not check anything of value.
✔️ Flight Information: The display screens are not reliable, and PA announcements are inaudible. Use your airline's app; it is the most reliable source of information on delays and gate changes.
✔️ Currency Exchange: The exchange rates inside the airport are worse than in the city. Exchange only the minimum necessary.