Does AeroMexico have online check-in?

No, AeroMexico does not have online check-in.

Can I change/select my seat online?

When you purchase a ticket on aeromexico.com, you will be give the option to select seats for you and each of your travel companions. You will than receive an e-mail to confirm your purchase. The seats included in it will be those that the site assigned to you automatically. However, your seats will have been saved by AeroMexico if you selected them during the booking process. To verify your seat assignment, review your itinerary on aeromexico.com.

How much time should I allot for checking in?

• If you are checking bags, you should check in at least 90 minutes before your flight's departure time.
• If you are not checking bags, you should check in at least 60 minutes before your flight's departure time.