Seat emoji is a picture of the sitting place of the kind that is typically seen in different means of airspace transport of the type represented by ✈️ Airplane emoji. So no wonder that it is most often used exactly in this meaning (however, it may mean a Seat in the 🚌 Bus or any other transport as well) in the context of traveling and conditions inside different means of transport.
Examples of using
“These new seats are really comfortable 💺”
“The flight is in 10 minutes ” and I’m already onboard 💺”
How to type