The world's most punctual airports and airlines for 2020 revealed

Aviation punctuality reports are a bit like buses; you wait all year for one then two appear at once. On Thursday, travel data analyst Cirium released its annual On-Time Performance Review, naming Russian flag carrier Aeroflot the world's most on-time global mainline airline and Moscow's Sheremetyevo International Airport the world's most punctual airport. Then on Friday, rival data analyst OAG unleashed its Punctuality League 2020, declaring Indonesia's flag carrier Garuda Indonesia the world's most punctual airline, Aeroflot the most punctual mega airline in Europe and Sheremetyevo International Airport the world's most punctual mega airport. So why the discrepancies? What's the difference between a mega airport and a small one? And why is Russia doing so darn well? Story explains the results.<br/>