White paint reflects a significant portion of sunlight, keeping the airplane cooler
Reflecting sunlight translates to less need for air conditioning to cool the cabin during flight
The white surface makes it easier to spot any signs of wear, tear, or potential damage on the airplane's exterior
High-altitude flying exposes airplanes to more intense solar radiation
White is generally associated with cleanliness and sterility
White colour psychologically reassures passengers about the cleanliness of the airplane
While the fuselage is often white, airlines use coloured accents and logos for branding purposes
These differently coloured text and symbols stand out if the background is white