[QUOTE=PiperAtGatesofDawn;35900014]
Originally Posted by
sam1981
You can do a dummy booking in business on the flight, if it shows 1-2-1 business when you try and select a seat it is either Delta or EY planes. If it shows a premium economy on that flight- its ex Delta planes[/QUOTE
When it already shows F.... 8 F is ex EY. 4 F is AI.
1-2-1 J gets complicated at many different levels, including ex XX type and number of seats.
Weird that the wiki says 8 F is B777-300ER ex-EY but the seatmap/tracking websites show it as a B777-200LR