A Chance of Snow (1998)

"Two children want their parents back together for Christmas. A miracle makes a family fall in love again."

After signing her divorce papers, a woman heads out to her Minnesota airport with her sister and daughters for a flight to her mother's home. At the airport, her sportswriter husband shows up to catch a flight to Miami to visit his father. When a blizzard hits, the two suddenly find they have time to re-evaluate their relationship with assistance from an older couple.