Fans of Chicago Fire were surprised to learn that one of the show’s most unusual elements — the so-called “Boeing 737” moment — nearly didn’t make it into the wider One Chicago universe.
Behind the scenes, the production team reportedly faced serious challenges while planning how the dramatic aviation-related storyline would fit into the interconnected world shared with Chicago P.D. and Chicago Med.
Sources from the creative team revealed that the scene almost got “frozen out” during early planning stages. The reason? Its large scale, technical complexity, and the difficulty of integrating it smoothly into crossover storytelling across multiple shows.
However, after intense discussions among writers and producers, the idea was eventually kept — and many insiders now say it helped elevate the stakes of the storyline.
For longtime viewers, moments like this show just how much work goes into crafting the interconnected drama that keeps the One Chicago universe so engaging.
🔥 In the end, what nearly got cut might have turned into one of the most talked-about behind-the-scenes stories in the franchise.