Interesting. A quick look seems to indicate that Club Europe space is released en masse about 1 week out.
Originally Posted by
ohiosux
Tertiary question: On 29 May 2017, BA is only making the 7am flight from LHR to FRA available; making connections impossible. Most of the flights for the rest of the day are J9 or just slight below it. What are the chances that BA will release additional U space for the later flights?