Seven Hawaiian Airlines flight attendants were evaluated for nausea and headaches after a cabin odor on Airbus A330-200 N375HA during Alaska Airlines–marketed flight AS803 from Los Angeles to Honolulu on September 24, 2026, and the jet returned to passenger service a little more than ten hours later, Simple Flying reported. The aircraft carried 252 passengers and nine crew when it left Los Angeles at 10:12 a.m. local and landed in Honolulu at 12:57 p.m. without diverting.
Hawaiian said seven flight attendants were evaluated and released and that no guests required medical attention, while Honolulu EMS separately indicated some passengers had also felt unwell. The airline said it planned to inspect the aircraft before returning it to service. N375HA, an eleven-year-old Rolls-Royce Trent 772B–powered A330-200 delivered in January 2015, sat on the ground in Honolulu for roughly ten hours and twenty minutes before flying again. Hawaiian operates twenty-four A330-200s.
The same registration has a documented odor history. On June 23, 2025, while operating HA864 from Tokyo Haneda toward Honolulu, N375HA returned to Haneda after a fume event. A separate 2023 cabin-odor report on the jet led maintenance crews to replace a component after an odor was noted near the front of the cabin. The September 24 event's root cause had not been disclosed when Simple Flying published.
AS803's dual branding reflects Alaska Air Group's post-acquisition network: the flight number carries Alaska's AS code while Hawaiian still operates the metal and cabin crew. That structure matters for passengers reading delay or safety notices, because the operating carrier's manuals and maintenance program govern the A330 even when the marketed code is Alaska's. The absence of a diversion suggests the crew judged the situation manageable enough to continue to Honolulu, where medical staff and maintenance are based for Hawaiian's widebody fleet.
Fume and odor events on older A330s with Trent engines are not unique to Hawaiian, but repeat events on one tail draw sharper attention from unions and regulators than a single isolated report. N375HA's 2023, 2025 and 2026 episodes create a three-year pattern that maintenance logs will be expected to explain if investigators or the FAA ask for the aircraft's defect history. Hawaiian's decision to relaunch the jet the same evening shows the carrier believed the inspection cleared the immediate risk; it does not by itself identify the source.
For travelers, the practical facts are simpler. A Los Angeles–Honolulu A330 flight on September 24 reported a cabin odor, seven flight attendants sought medical evaluation on arrival, no passengers required treatment per the airline, and the same aircraft flew again after a same-day inspection window of roughly ten hours. Until Hawaiian or Alaska publishes a cause—bleed-air contamination, a galley or pack fault, or another source—the story remains an operational incident with a known registration rather than a fleet-wide grounding.
The A330-200 remains a workhorse on Hawaiian's longer domestic and leisure sectors even as Alaska integrates schedules and codes. Events like AS803 test how quickly the combined group can inspect, communicate and restore a widebody without leaving Hawaii short of seats on the Los Angeles lane. Confirmed details stop at the crew count, the medical outcome Hawaiian described, the roughly ten-hour turn, N375HA's identity and engines, and the aircraft's prior odor returns in 2023 and 2025.
Those points are what can be stated without speculation. Anything beyond them—exact chemical findings, permanent fixes, or schedule ripple on later AS803s—has not been released in the reporting available for this article.
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