Route guide

Changsha to Tianjin (CSX-TSN): Nonstop Upgrade & Award Space

Air China, Tianjin Airlines, Hainan Airlines, Xiamen Airlines, and China Southern Airlines fly nonstop between Changsha (CSX) and Tianjin (TSN), roughly 35 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every CSX to TSN departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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35
Nonstop flights a week
792 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every CSX to TSN departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Changsha to Tianjin to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each CSX to TSN departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See CSX to TSN on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Changsha to Tianjin nonstop

Carriers operating CSX to TSN nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Air China
  • Tianjin Airlines
  • Hainan Airlines
  • Xiamen Airlines
  • China Southern Airlines
See CSX to TSN on the interactive map →

Frequently asked questions about CSX to TSN

How far is Tianjin from Changsha?
CSX to TSN covers about 792 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from CSX to TSN?
Air China, Tianjin Airlines, Hainan Airlines, Xiamen Airlines, and China Southern Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on all five of them.
How many flights a week are there from CSX to TSN?
About 35 nonstop flights a week run between Changsha and Tianjin in the current schedule, operated by Air China, Tianjin Airlines, Hainan Airlines, Xiamen Airlines, and China Southern Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on CSX to TSN?
Open the CSX to TSN calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Changsha to Tianjin route, and 2LNR will notify you when space opens. It's free to start.

Never miss CSX to TSN upgrade or award space

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