1、AIRMONITOR 2023POWERED BY GLOBAL BUSINESS CONSULTINGGBT Travel Services UK Limited(GBT UK)and its authorised sublicensees(including Ovation Travel Group and Egencia)use certain trademarks and service marks of American Express Company or its subsidiaries(American Express)in the American Express Globa

2、l Business Travel and American Express Meetings&Events brands and in connection with its business for permitted uses only under a limited licence from American Express(Licensed Marks).The Licensed Marks are trademarks or service marks of,and the property of,American Express.GBT UK is a subsidiary of

3、 Global Business Travel Group,Inc.(NYSE:GBTG).American Express holds a minority interest in GBTG,which operates as a separate company from American Express.2022 GBT Travel Services UK Limited.AIR MONITOR 2023AIR MONITOR 202323Welcome To generate Air Monitor 2023,the Amex GBT data science team used t

4、he Prophet algorithm for time series modeling to combine historical transaction data with International Air Transport Association(IATA)booking demand and capacity constraints,macroeconomic variables including per capita GDP,and key inputs such as the price of oil.The challenge of skewed data posed b

5、y global travel disruption during 2020-2021 was solved by generating synthetic data for that period.This was based on historical travel patterns and validated by GBC subject matter experts who applied their domain expertise to adjust the projected demand and pricing values.To account for changes in

6、foreign exchange rates,projections are based on the local currency for the country in question.GBC subject matter experts across the globe verified that the modeled forecasts aligned with their local knowledge.The statements contained in this document,other than statements of historical fact,constit