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United and Singapore Airlines Announce 19 New Codeshare Routes

James Larounis's image
James Larounis
James Larounis's image

James Larounis

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James (Jamie) started The Forward Cabin blog to educate readers about points, miles, and loyalty programs. He’s spoken at Princeton University and The New York Times Travel Show and has been quoted in...

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United Airlines and Singapore Airlines, both members of Star Alliance, have announced 19 new codeshare cities that each airline will add its respective flight number on, allowing customers on either airline to fly to more destinations.

What Is a Codeshare?

Codeshares are flights sold by partner airlines. An airline can’t fly to every single destination in the world, especially smaller markets. In lieu of being able to serve every city, airlines will partner with other airlines and will sell the fight as if it was their own. For example, in this case, United can’t serve everywhere Singapore flies, so some Singapore flights will carry a United flight number, allowing United to sell not only a flight to Singapore but also flights beyond to smaller markets.

New Singapore and United Codeshare Cities

United will add its flight numbers and code to these cities served by Singapore Airlines:

  • Australia — Perth (PER)
  • Brunei — Bandar Seri Begawan (BWN) 
  • Cambodia — Siem Reap (REP)
  • Indonesia — Denpasar/Bali (DPS), Jakarta (CGK), and Surabaya (SUB)
  • Malaysia — Kuala Lumpur (KUL) and Penang (PEN)
  • Maldives — Malé (MLE)

These cities are easily accessible if you’re flying into Singapore (SIN) on the San Francisco (SFO) United nonstop flight, then onward on Singapore Airlines.

Singapore Airlines A350 900ULR aircraft
Singapore Airlines and United Airlines are launching 19 new codeshare cities. Image Credit: Singapore Airlines

Singapore Airlines will add its flight number and code to these cities served by United Airlines:

  • Austin (AUS)
  • Baltimore (BWI)
  • Boise (BOI)
  • Cleveland (CLE)
  • Denver (DEN)
  • Honolulu (HNL)
  • Las Vegas (LAS)
  • Phoenix (PHX)
  • Reno (RNO)
  • Sacramento (SMF)

The U.S. cities are great for flying into Los Angeles (LAX) or San Francisco (SFO) on Singapore, then from there onward on a United connecting flight.

Hot Tip: Check out our definitive guide to Singapore Airlines’ direct routes from the U.S., including plane types and seat options.

In Practice

These codeshares allow Singapore passengers to fly into San Francisco (SFO), for example, and onward to Baltimore (BWI) on 1 ticket. Similarly, a United passenger can fly to Singapore (SIN) on the United nonstop from San Francisco (SFO) and then to Perth (PER) in Australia all on a single ticket.

All of the codeshare flights need to be approved by regulators. Once approved, the flights will be loaded into the schedule over the next few months for each airline.

Final Thoughts

Any time 2 airlines partner up to add codeshare flights, it’s almost always a good thing. That’s no exception here between United and Singapore. Codeshares allow passengers to seamlessly book and travel on a single ticket.

James Larounis's image

About James Larounis

James (Jamie) started The Forward Cabin blog to educate readers about points, miles, and loyalty programs. He’s spoken at Princeton University and The New York Times Travel Show and has been quoted in dozens of travel publications.


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