A passenger needs to do the update to add an extra equipment, change the class, special seat but you don't know the process of doing the update. Then below you can see how to upgrade on United airlines.
https://www.lotofares.com/es/noticias/como-actualizar-en-united-airlines
The process of making the update on United airlines
A person can update their bill using the internet. Adelante una...
English
Arabic
Français
Español
Português
Deutsch
Türkçe
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
