Codes added to a booking to communicate with the airline. An SSR (Special Service Request) asks for something that needs action or confirmation — a special meal, wheelchair assistance, an unaccompanied minor, or passport details for advance passenger information. An OSI (Other Service Information) is informational only and needs no response.
Why it matters
Missing or wrongly formatted SSRs — especially passport (DOCS) data on international flights — can cause problems at check-in, so many platforms validate them before ticketing.
The record in a reservation system that holds an itinerary and passenger details for one or more travellers, identified by a unique booking reference. PNRs are…
A global reservation network — the largest are Amadeus, Sabre and Travelport — that aggregates real-time availability and fares from airlines, hotels and car-hire…
An IATA XML-based data standard that lets airlines distribute richer content — ancillaries, branded fares, seat maps and personalised offers — directly to…
An IATA system that consolidates the billing and payment between airlines and accredited travel agencies, so an agency settles one statement rather than paying each…
The US equivalent of BSP: ARC handles ticketing settlement and accreditation between airlines and travel agencies in the United States. Agencies typically reconcile…
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