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Delta Bolsters Capacity on Longest Domestic Flight

The airline plans to add a larger aircraft on the route.

A Delta A330-300 (Photo: AirlineGeeks | William Derrickson)

Delta is doubling down on its new route from Boston to Honolulu, which is the longest nonstop domestic flight in the U.S. The airline originally announced the new route back in February 2024.

Starting on November 21, the new Boston-Honolulu service is slated to operate daily through April 30. Initially, the Atlanta-based carrier planned to operate the new flight on a Boeing 767-300.

As first reported by AeroRoutes, the airline is now upgrading the route to an Airbus A330-300. This change will add approximately 66 additional seats in the market per day.

The airline’s A330-300s seat 282 passengers with 21 in the premium cabin. Delta’s 767-300s can accommodate up to 216 passengers with 18 premium seats.

At just over 5,000 miles, the U.S.’s longest nonstop domestic flight is also operated by Hawaiian Airlines on a year-round basis. The Honolulu-based carrier operates an Airbus A330-200 on the route.

Data from aviation analytics company Cirium shows that Delta plans to operate the A330 between Boston and Honolulu through February. The airline will then deploy a 767 on the route in late March and April.

Ryan Ewing
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  • Ryan Ewing

    Ryan founded AirlineGeeks.com back in February 2013 and has amassed considerable experience in the aviation sector. His work has been featured in several publications and news outlets, including CNN, WJLA, CNET, and Business Insider. During his time in the industry, he's worked in roles pertaining to airport/airline operations while holding a B.S. in Air Transportation Management from Arizona State University along with an MBA. Ryan has experience in several facets of the industry from behind the yoke of a Cessna 172 to interviewing airline industry executives. Ryan works for AirlineGeeks' owner FLYING Media, spearheading coverage in the commercial aviation space.

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