A Delta Airlines Boeing 757-251 approaches Washington Ronald Reagan National Airport (DCA) in Arlington, Virginia on February 24, 2021.
Daniel Slim | AFP | Getty Images
Delta and its competitors continue to lose money but have grown upbeat about an improvement in bookings as more travelers are vaccinated, travel restrictions lift and more attractions reopen. The airline said domestic leisure bookings recovered to about 85% of 2019 levels, though international and business travel remain depressed.
The Atlanta-based carrier posted a net…