Continuity mistake: The injury Schofield suffers to his neck is healed by the time that he gets to the front line.
Continuity mistake: When Schofield drinks milk, he has no bandage on his hand.
1917 (2019)
2 continuity mistakes - chronological order
Directed by: Sam Mendes
Starring: Benedict Cumberbatch, Mark Strong, Andrew Scott, Richard Madden
Factual error: The British medical station is above ground and too close to the front lines. It is well within range of German artillery. Normally, such large open-air stations would be miles behind the front lines. Smaller, underground aid stations would give first aid to the wounded. Then they would move to the larger medical stations.
Question: Does Schofield throw away his canteen after he pours water over his eyes? In any event he has it again to fill with milk at the abandoned farm house.
Answer: He puts his canteen back after he poured water over his eyes. You can tell because after he gets up it's hanging on his side again.
lionhead