Different Status, Advice and Actions Codes for Flights

To provide clear understanding on different status codes for flights in GDS, below table are some of the many codes you need to familiarize.

ACTION CODES

Code	Description
FF	Frequent Flyer
FR	Forced request - Amadeus System user airlines
FS	Forced sale - Amadeus System user airlines
GI	Group interactive
GK	Ghost segment confirmed
GL	Ghost segment waitlisted
GN	Ghost segment need
HK	Holding confirmed
HK	Service segment confirmed
IN	If not holding need (non-System user airlines)
IS	If not holding sold (non-System user airlines)
IX	If holding cancel (non-Amadeus Access Sell airlines + AF LH IB TG)
NA	Need segment specified or alternative segment immediately following
LL	Waitlist (non-System user airlines)
NN	Need segment
PE	Standard priority non-group waitlist
PG	Priority waitlist for groups
PK	Confirmed Passive segment
PL	Waitlisted Passive segment
RR	Reconfirmed
SA	Space available
SG	Group sell
SS	Sold
ST	Stretcher
UM	Unaccompanied minor

ADVICE CODES

Code	Description
HX	Holding canceled
NO	No action taken
KK	Confirming
KL	Confirming from waitlist
TK	Confirming, advise passenger of new times
TL	Waitlisted, advise passenger of new times
TN	Holding need, advise passenger new times
UC	Unable flight closed, have not waitlisted
UN	Unable, flight does not operate
US	Unable to accept sale, have waitlisted
UU	Unable, have waitlisted

STATUS CODES

Code	Description
DK	Confirmed (before end of transaction)
DN	On request (before end of transaction)
DW	Waitlisted (before end of transaction)
GK	Confirmed Ghost segment
GL	Waitlisted Ghost segment
GN	Ghost segment need
HK	Holding confirmed
HK	Service segment confirmed
HL	Waitlisted
HN	Holding need
HO	On offer
HS	Have sold
IN	If not holding need (non-System user airlines)
IS	If not holding sold (non-System user airlines)
IX	If holding cancel (non-Amadeus Access Sell airlines and AF LH IB TG)
LK	Holding confirmed (Direct Access)
LL	Waitlist (non-System user airlines)
NA	Need segment specified or alternative segment immediately following
NK	Holding confirmed, pending record locator return (Direct Access)
NN	Need segment
NS	No seat required (for infant in TST)
OX	Cancel only if requested segment is available
PK	Passive segment confirmed
PL	Passive segment waitlisted
RQ	Waitlisted (for segment in TST)
RR	Reconfirmed
SA	Space available
SS	Sold

You may refer to various GDS website for verification.