Originally Posted by Full Score
Since they won't be flying between MRU and JNB every day, it would be interesting to know if they'll still allow a LHR double entry if one chooses to fly on a day without service. Surely they can't dictate the day of the week that we fly.
Of course they can and do. There are many OW flights that are not daily. You either fly A-B on the days that there are flights or use more segments to fly A-C-B as long as it does not violate any of the other routing rules.