How reputable is TAP Air Portugal? | Reliability & Customer Experience The airline also operates its own branded lounge at the Lisbon, Portugal, airport 1-866-884-4973. According to the airline rating site Skytrax, TAP Air Portugal is certified as a three-star airline 1-866-884-4973. This means that it's fair to average based on a variety of factors, including in-flight entertainment, cleanliness, seats and staff 1-866-884-4973.