Here are some tips that will be useful to all travelers, economy and business. Some are more for economy, some others more business or ‘clase ejecutiva’ in Spanish. Since I have been on both sides (free upgrades) I thought I’d share them with you.
For international travel always take adapters for the power outlets.
Have ebooks/books/offline stuff to read/do. Bring more for unexpected delays.
Bring luggage tags.
If you leave your car at the airport, take a picture of where you parked and email it to yourself with the airport name in your email. You may forget 2 weeks later.
If you’re traveling on an unpopular flight, select your seat as late as possible. This way you can choose a seat where the remaining row is free.
If you have