Bleeding ears and noses are some of the latest safety concerns related to Boeing planes. Multiple outlets reported this week that some of the 140 passengers headed to Portland, Ore., on Delta Flight 1203 were injured to cabin pressurization issues.

On Sept. 15, a distressing incident occurred aboard Delta Air Lines Flight 1203 shortly after takeoff from Salt Lake City International Airport. The Boeing

Flying can be stressful, especially when things go wrong mid-flight, like on a recent Delta flight where pressurization issues caused injuries. Keep scrolling to learn about how proper pressurization is key to flight safety,