How is PNR decided?

Each time a traveller books an itinerary, a PNR is created in the carrier's computer reservation system (CRS). The data included in a PNR varies from one airline to another but common fields include whole or partial itineraries, passport details, credit card numbers, email addresses, IP addresses and telephone numbers.



A PNR (Passenger Name Record) is a unique 6-character alphanumeric code generated by an airline's Computer Reservation System (CRS) at the moment a booking is made. The code is "decided" by a randomized algorithm within the database to ensure it does not conflict with any other active records. While it looks like a random string (e.g., Z7X8B9), it acts as a digital "file cabinet" containing five mandatory elements: the passenger's name, contact info, itinerary, ticketing status, and the identity of the person who made the booking. There are approximately 2.18 billion possible combinations (366), but airlines recycle these codes after a few months or years once a trip is completed and archived. Interestingly, each airline in a multi-carrier itinerary may "decide" its own internal PNR for the same passenger, which is why your "Booking Reference" from a travel agent might be different from the one you use to check in on the airline's website.

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Out of the 10 digits, the first three digits store information about the zone and the Passenger Reservation System (PRS) from which the ticket has been booked. The first digit denotes the railway zone which is the train's origin.

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The PNR number is generated based on the following information: The first three digits of the PNR number indicate the zone or the railway system that is managing the train. The next seven digits of the PNR number are randomly generated.

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The PNR number may be found in your ticket itself. If more than one ticket is booked at the same time, they will all have the same PNR number. This number corresponds to bookings, not individual passengers.

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You can find your PNR on your e-ticket in the relevant segment of your itinerary. Each part of your trip and each passenger can have a different PNR.

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A Passenger Name Record (PNR) is a unique carrier reservation number for one or more flights. You can find your PNR on your e-ticket in the relevant segment of your itinerary. Each part of your trip and each passenger can have a different PNR.

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The PNR number may be found in your ticket itself. If more than one ticket is booked at the same time, they will all have the same PNR number. This number corresponds to bookings, not individual passengers.

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PNR Creation ? Always create the basic PNR with the 5 mandatory elements (Name, Itinerary, Contact, TK element, Reference, End Transaction) and wait for the Airline locator. If the Airline PNR is not reflecting contact the Help-Desk.

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For example, it's possible to have the same PNR for different flights if a round-trip or connecting flight is booked with the same airline. If the connecting flight involves two airlines that don't have an agreement, there may be different PNRs for each segment of the trip.

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If your booking is under two different PNR for two diffetent flights both airlines do not know about your other flight. For each airline you are flying only one sector as per their PNR. So the first airline you travel will check in you and your bag only for that flight.

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How can I get my ticket without a PNR number? If you book ticket and lost your PNR so you have to Call to airline's help line Number, Tell them your flight Number,Your name,Your Passport Number and Your Date of Birth. After this confirmation they will send your ticket to your email address.

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If you have a PNR with multiple passengers and you need to rebook a separate itinerary for one or more of them, you can split the PNR. When you split a PNR: A separate PNR with the new information is created and is tagged as an ASSOCIATE PNR . The original PNR is tagged as a PARENT PNR .

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And because we live in a time of codesharing agreements between different airlines, it's possible to use a PNR to log into five or more airline websites—at which point criminals usually carry out an attack with relative ease and gain access to additional personal information or fraudulently obtain flights for free.

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