After Covid-19 cratered global travel demand, airlines around the world went into crisis mode. But even once lockdown restrictions eased and countries rolled back travel bans, flight volumes are only a fraction of what they used to be. The question on everyone's minds is, how long will it take for the aviation industry to return to pre-Covid norms? For more insight, we speak to James Teo, Transport Analyst at Bloomberg Intelligence, about how long the industry will need to stabilise.