It's a bad day to be a Galaxy S9 or Galaxy S9+, everyone wants to perform drop tests on them. Square Trade is in the business of selling extended warranty, so it's important for it to know just how breakable phones are. The conclusion is that the Galaxy S9 is more durable than the S8 and the iPhone X. The bad news is that this still doesn't make it tough enough to survive two falls, one is enough to crack the glass. Samsung Galaxy S9 and S9+ breakability report card SQ also did a bend test and found that the S9 bent at 210 lbs of force while the taller Galaxy S9+ bent at 230...
Source: https://www.gsmarena.com/square_trade_samsung_galaxy_s9_and_s9_are_more_durable_than_the_s8_duo_note8-news-30160.php