Jin Air vs Trinity Airways: fleets and facts compared

Jin Air's baggage pages give the following free allowances. Sizes and weights only; the allowance that applies is shown on the ticket.

• Carry-on bag: one piece of up to 10 kg, with the three dimensions adding up to no more than 115 cm and no side over 40 cm (width), 20 cm (depth) or 55 cm (height), including handles and wheels.
• 12 kg carry-on allowance on Gimpo, Cheongju, Gwangju and Busan to Jeju, and on Incheon–Guam, Incheon–Phuket, Busan–Guam, Busan–Da Nang and Busan–Cebu.
• Personal item: one laptop bag, briefcase or handbag of up to 40 x 30 x 15 cm that fits under the seat, in addition to the carry-on bag.
• Checked baggage, domestic flights and international flights to Japan, China, Hong Kong, Taiwan and South-East Asia: 15 kg, with the three dimensions adding up to no more than 203 cm.
• Checked baggage, Guam: two pieces of up to 23 kg each, each no more than 158 cm in total dimensions.
• Any single checked bag over 203 cm in total may be refused, and no single bag may weigh more than 32 kg.
• Infants under two: on domestic flights, a folding stroller or an infant car seat; on international flights, one bag of up to 10 kg (115 cm in total) plus a folding stroller or an infant car seat.

Source: Jin Air, "Free Checked/Carry-on Baggage" (carry-on and free checked baggage pages), read on 24 October 2026.

Source: airline baggage page, read 2026-10-24.

Trinity Airways' free baggage page (Korean) gives the following allowances by fare (Event, Smart, Regular and Business). Sizes and weights only.

• Cabin baggage, Event, Smart and Regular fares: one cabin bag plus one personal item (duty-free included), 10 kg in total. Business fare: two cabin bags of up to 10 kg each, 20 kg in total.
• Cabin bag size: three sides adding up to no more than 115 cm, maximum 40 x 20 x 55 cm including handles and wheels. Personal item: up to 40 x 30 x 15 cm.
• Checked baggage, domestic: Event 0 kg, Smart 15 kg, Regular 20 kg, Business 30 kg.
• Checked baggage, Europe, Singapore/Jakarta and (for travel from 25 October 2026) Australia: Event 15 kg, Smart and Regular 23 kg, Business 40 kg.
• Checked baggage, Guam, Saipan and Canada: one piece of 23 kg on Event, Smart and Regular fares; two pieces of 23 kg on Business.
• Checked baggage, Mongolia and Uzbekistan (for travel from 25 October 2026): one piece of 23 kg on Event, Smart and Regular fares; two pieces of 23 kg on Business.
• Other international routes: none on Event fares, Smart 15 kg, Regular 20 kg, Business 30 kg.
• Size and weight limits: three sides adding up to no more than 203 cm (158 cm on Guam and Saipan); no single bag over 32 kg.
• Infants under two without a seat: one stroller or car seat on domestic flights; on international flights, depending on route and fare, either one stroller or car seat, or one bag of up to 10 kg plus one stroller, walker, car seat or carry-cot.

Source: Trinity Airways, "무료 / 위탁 수하물" (free and checked baggage), read on 24 October 2026.

Source: airline baggage page, read 2026-10-24.