Airlines are adding new routes amid strong demand for travel

Building on strong bookings this summer, American Airlines said Thursday it will add three new European destinations next summer and revive another international route that it last flew in 2019. The announcement comes one day after Delta Air Lines said it will expand service to China later this year. The news from two of the biggest U.S. carriers underscores the airline industry’s confidence that its strong recovery from the pandemic will continue and that planes will remain packed.