There is no easy answer to this question. There are many factors to consider, such as the maturity level of the child, whether the flight is direct, the size of the airport your son would be traveling to, etc. If there is a genuine safety concern, you would have a defense to a charge for contempt. That being said, there is no guarantee that the judge will agree with your safety concerns. I would suggest contacting local counsel for further advice.
Legal disclaimer: The response given is not intended to create, nor does it create an ongoing duty to respond to questions. The response does not form an attorney-client relationship, nor is it intended to be anything other than the educated opinion of the author. It should not be relied upon as legal advice. The response given is based upon the limited facts provided by the person asking the question. To the extent additional or different facts exist, the response might possibly change. Attorney is licensed to practice law only in the State of Massachusetts. Responses are based solely on Massachusetts law unless stated otherwise.
Missouri family courts have broad discretion to enter travel orders involving children. Given your circumstances, you have arguments to modify the custody schedule to reflect the more realistic situations Father has created by his conduct. It is important to consult with an experienced family law attorney about your options.
The Family Law Group, LLC
6 Westbury Drive
St. Charles, MO 63301
Sign up to receive a 5-part series of useful information and advice about child custody law.