Another important aspect of United Airlines El Salvador is the MileagePlus loyalty program. Frequent travelers from El Salvador can join this program to earn miles on flights, upgrades, and partner services. These miles can be redeemed for free flights, seat upgrades, hotel stays, and car rentals. The program also provides elite status tiers that offer additional benefits, including f... https://airlines-office.com/united-airlines/united-airlines-san-salvador-office-in-el-salvador/