travelInformation. transit.airline. planNumber {#travel-info-transit-airline-plan-number}
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Plan number that is based on fare. It is supplied by the carrier.

Specifications {#travel-info-transit-airline-plan-number_Specifications}
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* **Data Type:** String
* **Data Length:** 2

Mapping Information {#travel-info-transit-airline-plan-number_Mapping}
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* **REST API Field:** travelInformation.transit.airline.planNumber
* **SCMP API Field:** airline_plan_number
* **Simple Order API Field:** airlineData_planNumber