The comprehensive report is released annually and this year’s study looked at flight arrivals in 2017.

The rest of the mega airlines ranking is made up of IndiGo, which came fourth, Alaska Airlines, SAS, United Airlines, LATAM Airlines Group, American Airlines and Southwest, which tied with BA in 10th.

The Latvian airline airBaltic has been ranked No 1 globally in punctuality in 2017 by OAG analysts, who tracked the performance of a total of over 50 million flight records. airBaltic has been on the top of the global
on-time performance ranking for the past four consecutive years.

According to OAG, airBaltic achieved a punctuality rating of 90.01% for flights linking the Baltics to its
network spanning Europe, Scandinavia, CIS and the Middle Least. It means that more than 90 out of 100
airBaltic flights arrived on time in 2017.  awards based upon over 57 million individual flights
tracked through the course of 2017.

A table showing the top 20 most punctual mega airlines. Making the top ten is Delta Air Lines, United Airlines, American Airlines and British Airways

The world’s most efficient mega airport is Tokyo Haneda. Also making the top 10 is Atlanta, Denver, Dallas Fort Worth, Chicago O’Hare and London Heathrow

The most punctual mainline airline is Lativian-based airBaltic, with Hawaiian Airlines and Qantas also making it in the top five.

In terms of low-cost carriers, the most efficient is Spanish-based Vuelling Airlines, which beat Jetstar Asia into second place.

And when it comes to airports, the study also narrows the data down into categories for small, medium, large and major hubs.

In the mega airports category – for hubs that handle more than 30 million passengers a year – US airports Denver, Dallas Forth Worth and Chicago O’Hare make the top 10 alongside Singapore, Frankfurt, Amsterdam and London Heathrow.

However, the OAG report goes even further and breaks down airlines and airports into smaller sub-categories including mainline airlines and low-cost carriers.

For the smallest hubs, with less than five million passengers a year, the most punctual is Tenerife North, beating Hannover and Stavanger, with Liverpool making into seventh place.

Birmingham is named the most efficient medium airport (one that handles less than 10 million passengers a year) pipping Panama City, Cologne Bonn, Belo Horizonte and Stuttgart to the post.

Unsurprisingly, the Japanese airport of Osaka is found to be the most punctual large airport, ahead of Salt Lake City, Rio de Janeiro and Brisbane.

For more information please follow the OAG report