Continuity mistake: When Mrs. Meers welcomes Millie for the first time, the position of her hands on the counter is inconsistent in every shot.
Continuity mistake: When Jimmy falls off the ledge, he falls backwards, slightly facing to our left. An instant cut later, he has magically turned 180° and is now facing our right, ready to safely grab onto the pole.
Revealing mistake: During all of Millie and Jimmy's flag pole scenes, and afterwards when they are sitting on the ledge, the people and cars on the street are motionless, revealing the matte painting.
Revealing mistake: During the flying scenes, the stagger wires of the plane flicker, giving the sense they appear and disappear because of the blue screen effect.
