Originally Posted by
KO2546
At 16 hours out, it sounds like the airport has already started "pre-checking" people onto the flight or there could have been a very very large group of workers heading to Africa or Middle-East, as you often see on KA flights.
But I suppose these workers would not book the flight in the week before their return
. All booking classes, at least down to L, were available when I booked a week earlier.