We will be traveling from Seattle to CDG then onto Spain and plan on flying Delta or Air France. There are two possible flight pairings. One is Delta to CDG then Air France to Spain and the other is Air France to CDG then Air France to Spain. Some of the flights have a layover of only 1 hour 20 minutes. Is that enough time to change planes? Will we be required to go through customs and immigration at CDG or will we do that on arrival in Spain?
Thank you for any insights and tips.