In the scene in the hospital when Andrew is talking to Brian, the poster on the wall is hanging down on one side (missing a tack or tape). In the very next shot, the poster is suddenly fixed.
It is no longer possible to board a plane while carrying a sealed glass bottle of champagne.
It's 1997 and Andrew said it's 100 years since he was last in Paris when Van Gogh had his ear thing. Vincent Van Gogh cut his ear off in 1888, so that would be over 100 years.
Because of the medical emergency, the plane flies back to New York (JFK), even though the flight path of a New York-Paris flight takes it over St. John's, NL, Halifax, NS and Boston, MA.
No thought or mention is made of the mistress' family who may also seek custody of the baby.