v2.2.0 Added a new attribute to the response message which is used to pass time zone difference between the origin location and the destination location.
v2.1.0 adds .../OptionalQualifiers/FlightQualifiers/AlliancePartner/Group to the request message, and adds .../OptionalQualifiers/FlightQualifiers/Cabin/Designator to the request message.
v2.0.1 corrects an issue where date values were being incorrectly returned in the response message.
v2.0.0 corrects an issue related to requesting connections with specific carriers where the behind-the-scenes host command being created was not being properly formatted leading to a format-related error response.
v.2.0.0 Created a new, simplified version of the service to take advantage of further normalized/standardized XML types/structures.