Cuba Update
Client travels every year or so, he just returned 13April. Depart from DEN and overnight in IAH as it takes oodles of time to get the visa information confirmed and issued,
We needed a full three hours to check in for our flight to Cuba from Houston. The official-looking online service that we used to apply ahead of time for our Cuban visa (Cuba Travel Form - see screenshot below) turned out to be a scam. We had to start the travel authorization and visa application process over when we showed up to check in for our flight at the Houston airport. Cuba Travel Services has a valid website for travel authorization and a visa (https://cubavisaservices.com/). The D'Viajeros form is free and the visa costs US$85 and can be paid with a US credit card.
The United Travel Ready Center is also not very helpful with regard to Cuba. It doesn't warn ticket holders that they need both a travel authorization (D'Viajeros) and a Cuban visa to enter Cuba.
No one upon arrival in Cuba asked to see our travel insurance. We did need to show our visas on entry and again on exit.
These are just some notes for your other travelers to Cuba. Overall, being able to fly United via Houston or American via Miami is a huge improvement over the old days when we flew to Miami and waited for hours or days for the Cuban charter flight to depart.