Feeling nostalgia, too. From a quick search it looks like The Greatest Paper Airplanes :)
replyEDIT: this is the one for me https://www.myabandonware.com/game/the-greatest-paper-airpla...
YES! That's the one! Thanks for finding it :)
replyEDIT: this is the one for me https://www.myabandonware.com/game/the-greatest-paper-airpla...