Factual error: Ben Stiller buys Champagne in a drug store, yet in NY the only legal place to buy wine/champagne is a liquor store.
Factual error: The opening scene outside the pre-school is supposed to take place in Chicago, but actually is somewhere in New York State you can tell by the postcard-like registration sticker in the lower driver side windshield of the cars.
Factual error: Greg's flight back to Chicago was leaving LaGuardia at 2:35am, only problem is that LaGuardia doesn't fly past midnight, they shut down. They should've used JFK which is 24/7 and only 15mins away from LGA, or Macauthur which is even closer to Oyster Bay.
Answer: They used some of the names from the film as nicknames, Greg was interested why they were using them and she just explained that they just took them from the film "Top Gun".
Lummie ★