Popular destinations include Seattle, Martha’s Vinyard and Memphis With summer travel plans beginning to come into focus, American Airlines has set dates to resume flights from Philadelphia International Airport to 10 popular destinations across the United States. Surveys released in recent weeks — from Travelocity to The Points Guy and Trip Advisor — show that as many as two-thirds of Americans are planning vacations some time between June and September. To prepare for the summer rush, American… (aviationrepublic.com) 更多...