I must say one of the reason cited is hilarious. The earthquake rumor didn't even kill that much of Japan loading in Q3. The amount of flights Starlux has in Japan also can't contribute to that kind of differences in losses (between Q2 and Q3).

https://today.line.me/tw/v3/article/8n1mM0K

長榮航第3季 EPS 1.09元 星宇-0.15元

長榮航（2618）昨（11）日董事會通過第3季財報，單季稅後純益58.76億元，年減34.6%，每股 純益（EPS）1.09元；累計前三季稅後純益184.9億元，年減13.9%，EPS 3.43元。 另外，星宇昨日通過第3季財報，公司表示因第3季客運市場受到對等關稅不確定、日本大地震謠言，以及新機陸 續交付之前置成本，使第3季單季轉虧，單季稅後虧損4.49億元，每股淨損0.15元，累計前三季稅後純益 4.75億元，EPS 0.16元。 長榮航昨日也公告，董事會決議將增購乙具GE90-115B備份發動機，以滿足機隊發動機周轉需求，採購金額不超過5,200萬美元（約新台幣16億元） 。

Google translation (word for word)

EVA Air's Q3 EPS: NT$1.09; Starlux: -NT$0.15

EVA Air (2618) yesterday (11th) approved its Q3 financial report. The company reported a net profit after tax of NT$5.876 billion, a 34.6% year-on-year decrease, with earnings per share (EPS) of NT$1.09. Cumulative net profit after tax for the first three quarters was NT$18.49 billion, a 13.9% year-on-year decrease, with EPS of NT$3.43. Meanwhile, Starlux also approved its Q3 financial report yesterday. The company stated that due to uncertainties in the passenger market caused by equivalent tariffs, rumors of a major earthquake in Japan, and upfront costs associated with the delivery of new aircraft, Q3 resulted in a loss of NT$449 million, with a net loss per share of NT$0.15. Cumulative net profit after tax for the first three quarters was NT$475 million, with EPS of NT$0.16. EVA Air also announced yesterday that its board of directors has resolved to purchase an additional GE90-115B backup engine to meet the fleet's engine turnaround needs, with the purchase amount not exceeding US$52 million (approximately NT$1.6 billion).