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Airport Reference

Singapore Changi Airport (SIN)

Singapore, Singapore

IATA CodeSIN
ICAO CodeWSSS
CitySingapore
CountrySingapore
Time ZoneAsia/Singapore
Coordinates1.3644, 103.9915

How SIN Appears in a GDS PNR

In a raw PNR segment line, SIN shows up as the three-letter origin or destination code — for example, a segment from London to Singapore might read:

2  BA 587 Y 15JUL 2*LHRSIN HK1  800A  2000P

The last three letters of the route pair (SIN) tell you the flight is arriving at Singapore Changi Airport.

Distance & Flight Time from Other Major Hubs

Real, calculated straight-line distances (great-circle) and a rough nonstop flight-time estimate:

HubDistanceEst. Flight Time
LHR (London)10,881 km / 6,761 mi≈ 12.8h nonstop
JFK (New York)15,339 km / 9,531 mi≈ 18.0h nonstop
DXB (Dubai)5,845 km / 3,632 mi≈ 6.9h nonstop
SYD (Sydney)6,294 km / 3,911 mi≈ 7.4h nonstop

Flight time is a rough estimate based on typical long-haul cruise speed — actual routing, wind, and aircraft type will change the real duration.

Frequently Asked Questions

What is the IATA code for Singapore?

The main IATA airport code for Singapore is SIN — Singapore Changi Airport.

What time zone is Singapore Changi Airport in?

Singapore Changi Airport operates on Asia/Singapore time.

How does SIN appear in a GDS PNR?

In a flight segment line, SIN appears as the three-letter origin or destination code, e.g. a route shown as ...SIN... in Amadeus, Sabre, Galileo, or Worldspan.

Convert a PNR Through Singapore Changi Airport

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