Terminology For Air Business

Solution – A collection of Slices

Slice – A collection of segments containing the directional journey
Round Trip is 2 Slices
One way is 1 Slice

Segment
The smallest unit a carrier and  flight number exists

Leg
Even smaller

AA-123 ORD-MCI – leg 1, segment 1, slice 1
AA-123 MCI-LAS – leg 2, segment 1, slice 1
AA-456 LAS-SFO – leg 3, segment 2, slice 1
AA-789 SFO-ORD – leg 4, segment 3, slice 2


Oneline – Single carrier throughout the solution
AA-123
AA-456

Interline – 2 or more carriers in a solution
AA-123
UA-111

Codeshare – One “markets” a flight, a different one “operates” it

Plating carrier – the carrier that pays us commission. Only one per solution.