Yes, however he was my husband's dog not for Migraines, but a Leader Dog for the Blind. We had Bud, a chocolate lab/pointer mix for 13-14 years. We travel as far south to Florida to Canada and west to San Francisco by trains and air. I suffer with Hemiplegic Migraines and rescued a shepherd mix who wasn't formally trained as a migraine dog but picked it up on his own. I can answer any questions you like to ask in regards to Service Dogs if your thinking about obtaining one.