How long-haul travel will change post-Covid - BBC Future
Passenger and freight transport demand in Europe — European Environment Agency
Improving passenger demand hit by Omicron | Airlines.
5.5 – Air Transport | The Geography of Transport Systems
Aviation – Analysis - IEA
Impact of the COVID-19 pandemic on aviation - Wikipedia
The World of Air Transport in 2015
Asia Pacific airline passenger traffic shows strong growth in June : The Moodie Davitt Report -The Moodie Davitt Report
Analyzing Passenger Travel Demand Related to the Transportation Hub inside a City Area using Mobile Phone Data - Gang Zhong, Jian Zhang, Linchao Li, Xiaoxuan Chen, Fan Yang, Bin Ran, 2018
Why Flight Shaming Will Not Take Off – Transport Policy Matters
Passenger transport demand — European Environment Agency
2021 global air passenger totals show improvement from 2020, but still only half pre-pandemic levels
Cathay Pacific Group reports a drop of 98.1% in traffic in September | World Airline News
IATA forecasts 2021 airline industry losses of US$47.7 billion as COVID-19 pain continues - Asian Aviation
Transport - Our World in Data
Passenger air travel demand trends through COVID-19 | The Window Flyer
Passenger transport demand - outlook from WBCSD — European Environment Agency
Polishing my crystal ball: Airline traffic in 2050 - International Council on Clean Transportation
Stats: Air Travel Demand Up 10.7 Percent in April | Travel Agent Central
Passenger traffic recovery continues in March - TTR Weekly
Travel recovers on pent-up demand – Manila Bulletin
Passenger load factor - Wikipedia
The World of Air Transport in 2016
Airline travel demand rises slightly - TTR Weekly
