’aiding’ is not a particularly reassuring term...
Really? The full quote is
"We shall also shortly add a number of interline agreements especially aiding our Teesside-London Heathrow service and major hubs such as Manchester." Do you find that more re-assuring?
Problem is..the cost of slots at Heathrow, would I guess , prohibit long term Eastern operation into that airport?
Long term? The price of slots is determined by supply and demand, so anybody who knows what the long term demand is going to be...