Equipment Outage Causes Flight Delays at Honolulu's Daniel K. Inouye International Airport

A technical equipment outage at Honolulu's Daniel K. Inouye International Airport over August 22-23 caused arrival, departure, gate hold and taxi delays across interisland and mainland routes.

Original report
www.thetraveler.org

Industry impact

The episode shows how a single-hub technical failure can quickly ripple across multiple carriers and interisland routes in a geographically isolated air network.

A technical equipment outage at Daniel K. Inouye International Airport (HNL) in Honolulu disrupted flight operations over the weekend of August 22-23, generating arrival and departure delays, gate holds, and taxi delays across interisland and mainland routes. FAA status data for August 23 confirmed general delays at HNL, with aircraft subject to short gate holds and taxi delays, and passengers reported more significant knock-on disruptions as individual flights were rescheduled or rerouted.

The outage compounded an already strained travel environment: Tropical Storm Lala had forced temporary closures at Hilo International Airport and Ellison Onizuka Kona International Airport in the days prior and prompted widespread schedule changes across Hawaii, while Hawaiian Electric reported power outages affecting parts of Hawaii Island and the Honolulu region. [Alaska Airlines](/entities/411bdd69e8c5553ba3660c10910c0529), which partners on interisland routes with [Hawaiian Airlines](/entities/4e97dd5e22cf53bbba0664675ab2c1a4), listed multiple Honolulu flights on August 22 and 23 as operating on revised schedules with some departures flagged for delays, and Hawaiian Airlines flights between Honolulu and Kona in August showed several cancellations and late operations.

Terminal operations at HNL remained largely functional throughout the outage, with TSA screening and baggage handling continuing and no reports of a full terminal power loss or security shutdown, though ride-share and rail access to the airport was heavier than normal. The Hawaii Department of Transportation had previously flagged in planning documents the risks that natural hazards, power interruptions, and equipment failures pose to Hawaii's island air network.