First time to fly IB. Is it common that aircraft type and seats don't match? From IB seat selection, it shows as 2-4-2 as A330-200. When I check flightaware, it shows IB6171 uses A359.
https://www.flightaware.com/live/flight/IBE6171
Does it mean that the aircraft may swap from A356 to A332 when I fly?
Any insight?