The Interline rates are available for the following full-time employees of:

Active airline, courier or military (US or Canadian) personnel (hereafter called Interliners) are eligible for two cabins per ID.

Parents (but not parents-in-law) of Interliners qualify on their own for one cabin – independently, or in addition to the Interliner's one or two cabins (i.e. up to three cabins are allowed if the Interliner and a parent is travelling).

The following people qualify on their own for one cabin only per ID (not in addition to the above):

- Retired employees of CURRENT (not defunct) airlines (their widows/widowers do not qualify).

- Spouse or domestic partner of an Interliner

- (CRS) employees of Sabre, Worldspan, Galileo/Apollo or Amadeus