US low-cost carrier based in United States.
| IATA Code | WN |
|---|---|
| ICAO Code | SWA |
| Callsign | SOUTHWEST |
| Country | United States |
| Category | US low-cost carrier |
When you see a segment line like this in a PNR, the airline code identifies Southwest Airlines:
2 WN 587 Y 15JUL 2*JFKLHR HK1 800A 2000P
The two-letter code WN at the start of the segment line is Southwest Airlines's IATA code — every flight segment operated by Southwest Airlines in a GDS PNR (Amadeus, Sabre, Galileo, or Worldspan) begins with this code, followed by the flight number.
Southwest Airlines is a us low-cost carrier, based in United States. Its ICAO code, SWA, is used for air traffic control and flight planning, while its radio callsign is “SOUTHWEST”.
Like most airlines, Southwest Airlines's fare classes follow the standard GDS booking-class letter system. See our complete booking class guide for what each letter (F, J, Y, and so on) typically means.
Southwest Airlines's IATA code is WN. This two-letter code appears at the start of every flight segment operated by Southwest Airlines in a GDS PNR.
Southwest Airlines's ICAO code is SWA. The ICAO code is a separate, usually three-letter identifier used mainly in air traffic control and flight planning, distinct from the IATA code travel agents see in a PNR.
Paste the raw PNR text into PNRGenius and it will automatically detect Southwest Airlines's segments (marked with the WN code) and build a clean, client-ready itinerary in seconds.
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