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Airport Reference

Chiang Mai International Airport (CNX)

Chiang Mai, Thailand

IATA CodeCNX
ICAO CodeVTCC
CityChiang Mai
CountryThailand
Time ZoneAsia/Bangkok
Coordinates18.7669, 98.9626

How CNX Appears in a GDS PNR

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

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

The last three letters of the route pair (CNX) tell you the flight is arriving at Chiang Mai International 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)9,015 km / 5,602 mi≈ 10.6h nonstop
JFK (New York)13,367 km / 8,306 mi≈ 15.7h nonstop
DXB (Dubai)4,533 km / 2,816 mi≈ 5.3h nonstop
SIN (Singapore)2,011 km / 1,250 mi≈ 2.4h nonstop
SYD (Sydney)8,055 km / 5,005 mi≈ 9.5h 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 Chiang Mai?

The main IATA airport code for Chiang Mai is CNX — Chiang Mai International Airport.

What time zone is Chiang Mai International Airport in?

Chiang Mai International Airport operates on Asia/Bangkok time.

How does CNX appear in a GDS PNR?

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

Convert a PNR Through Chiang Mai International Airport

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