United Airlines Adds Rare Winter Boeing 777-300ER Flights To This European City

With the unstoppable tide of time sweeping us towards the start of the IATA Winter Schedule at the end of October, there is a lot to look forward to in terms of route additions in the coming season. However, among the new corridors that will be served regularly on a long-term basis, there are also certain short-term additions that are worth looking at. United Airlines from San Francisco to Barcelona is one of them.