Many travelers prepare for not just one vacation, but two: there’s the trip they’d most like to go and plan B, when that Delta variant of Covid-19 makes their original idea untenable.

At this time of year last year, many travel destinations simply closed. Now the final decision often rests with would-be vacationers. You navigate ever changing travel restrictions and guidelines as well as rising case numbers, travel agents say. Canada reopened its border with fully vaccinated Americans, just as organizers have postponed the New Orleans Jazz & Heritage Festival, slated to take place in October, due to rising Covid-19 cases in the area.