September is when the press are speculating when a travel corridor between the US and UK is likely. [The Telegraph] We want the date to be sooner; it could happen if all parties agreed a plan.

Obviously we want it to be sooner; it may happen if all parties talk properly. " "We thought July was the earliest we might be able to get something in place, but now it's looking more like September,"" The Telepgraph https://www.telegraph.co.uk/travel/news/travel-holidays-news-quarantine-eu-covid-restrictions-vaccine/