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Japan Transocean Air

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Japan Transocean Air Co., Ltd.
日本トランスオーシャン航空株式会社
Nihon Toransuōshan Kōkū Kabushiki-gaisha
IATA ICAO Call sign
NU JTA JAI OCEAN[1]
FoundedJune 20, 1967; 59 years ago (1967-06-20) (as Southwest Air Lines)
Commenced operations
  • July 1, 1967; 59 years ago (1967-07-01) (as Southwest Air Lines)
  • July 1, 1993; 33 years ago (1993-07-01)< (as Japan Transocean Air)
HubsNaha Airport
Focus citiesNew Ishigaki Airport
AllianceOneworld (affiliate)
SubsidiariesRyukyu Air Commuter (74.5%)
Fleet size14
Destinations15
Parent companyJAL Group (72.8%)
HeadquartersNaha, Okinawa Prefecture, Japan
Key peopleNozomi Noguchi (president & CEO)
Employees814 (31 March 2023) [2]
Websitewww.jal.co.jp/jta

Japan Transocean Air (JTA) is an airline based in Naha, Okinawa Prefecture, Japan.[3] It operates domestic services on behalf of Japan Airlines. Its main base is Naha Airport.[4] From 1967 until 1993, the airline was known as Southwest Air Lines.

History

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A former Southwest Air Lines Boeing 737-200
A former JTA Boeing 737-400 in former Southwest Air Lines livery at Chūbu Centrair International Airport, Nagoya, Japan (2013)
A former JTA Boeing 737-400 (2004)

The airline was established on 20 June 1967 as Southwest Air Lines (南西航空, Nansei Kōkū), and started operations in July 1967. It changed its name in July 1993. It had 814 employees (in March 2023) and is owned by Japan Airlines (51.1%), Naha Airport Terminal (17%), Okinawa Prefecture (12.9%) and others (19.1%).[4] It flew Convair 240s until new capital from JAL allowed it to upgrade to NAMC YS-11s, and eventually Boeing 737s. JTA occasionally lends aircraft to JAL in the event of equipment failure. JTA also provides maintenance services for JAL Group Boeing 737-400 aircraft. JTA owns 74.5% of Ryukyu Air Commuter. At one time the head office of Southwest Air Lines was at 306-1 Kagamizu in Naha.[5]

Destinations

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As of November 2025, Japan Transocean Air flies (or has flown) to the following destinations:[6]

Country Island City Airport Notes Refs
JapanHonshuKomatsuKomatsu Airport
NagoyaChubu Centrair International Airport
OkayamaOkayama Airport
OsakaKansai International Airport
Itami AirportResumes 25 October 2026[7]
TokyoHaneda AirportTerminated
KyushuFukuokaFukuoka Airport
KagoshimaKagoshima AirportTerminated
Ryukyu IslandsIshigakiIshigaki AirportAirport closed
New Ishigaki AirportFocus city
KumejimaKumejima Airport
MiyakojimaMiyako Airport
NahaNaha AirportHub
ShimojishimaShimojishima AirportTerminated[8]
YonaguniYonaguni AirportTerminated
ShikokuKōchiKōchi AirportTerminated
MatsuyamaMatsuyama AirportTerminated
Taiwan—TaipeiTaoyuan International Airport

Codeshare agreements

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Japan Transocean Air currently has a codeshare agreement with the following airlines:

Interline agreements

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Japan Transocean Air also has interline agreements with the following airlines:

Fleet

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Current fleet

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JTA Boeing 737-800

As of November 2025, Japan Transocean Air operates the following aircraft:[11]

Japan Transocean Air fleet
Aircraft type In fleet Orders Passengers Notes
J Y Total
Boeing 737-800 14 — 20 145 165[12] Shared operation with JAL.
Total 14 —

Former fleet

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Japan Transocean Air has previously operated the following aircraft:

Accidents and incidents

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Since the airline's foundation, there has only been one accident which was under the former Southwest Air Lines brand.

References

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  1. ↑ "JO 7340.2J Contractions - Basic with Change 1 & Change 2" (PDF). Federal Aviation Administration. 3 June 2019. pp. 3-1-50, 3-2-42, 3-3-44. Retrieved 8 February 2020.
  2. ↑ "About JTA". Retrieved 16 June 2024.
  3. ↑ "About". Japan Transocean Air. Retrieved 2025-11-08. 3rd Floor, Kafuna Asahibashi A Block, 1-20-1 Izumizaki, Naha City, Okinawa 900-0021, Japan - Japanese address
  4. 1 2 "Directory: World Airlines". Flight International. 2007-04-03. p. 97.
  5. ↑ "World Airline Directory." Flight International. 10 April 1976. p. 958. "Head Office: 306-1 Kagamizu, Naha, Okinawa, Ryukyu Islands, Japan."
  6. ↑ "About JTA," Japan Transocean Air
  7. ↑ "JTA - Japan Transocean Air to resume Osaka Itami ops in NW26". ch-aviation.com. 25 August 2026.
  8. 1 2 "Shimojijima Airport Archived 2017-04-18 at the Wayback Machine," Okinawa Prefecture
  9. ↑ "Emirates' travel partners | Emirates". www.emirates.com. Retrieved 2025-12-28.
  10. ↑ "Interline Baggage Statement". hawaiianair.custhelp.com. Retrieved 2025-12-28.
  11. ↑ "Global Airline Guide 2025 - Japan Transocean Air". Airliner World. September 2025. p. 63.
  12. ↑ "Boeing 737-800 (738/73H) / Aircrafts [sic] and seats". Japan Airlines. Archived from the original on 5 July 2023. Retrieved 18 June 2024.
  13. ↑ Ranter, Harro. "ASN Aircraft accident Boeing 737-2Q3 JA8444 Ishigaki Airport (ISG)". Retrieved 21 July 2016.
[edit]
  • Wikimedia Commons logo Media related to Japan Transocean Air at Wikimedia Commons
  • Wikimedia Commons logo Media related to South West Air Lines (Japan) at Wikimedia Commons
  • Official website (in Japanese)
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