This is sad news, but Delta will no longer be servicing the island of Cozumel. They have closed their operations here. Who knows, in a year or so, they may want to open up again, but for the forseeable future, which I have tried to look at tickets for next year, they will NOT be flying into Cozumel. So it looks like American and United are the only viable options until Southwest decided to resume their operations here. Sorry about that guys !