Originally Posted by vineyarder

Just one example, but last fall I booked 4 RT CW seats on the MIA-LHR-JNB route, and at this time availability was wide open for almost any T/W/R in the summer; looking at the availability calendar now, there is only 1 day all summer I see availability for 4 CW outbound and only 3 dates for return... Looking at some other itineraries, availability is also practically nonexistent.