In the first five Championship away games of 2015-16, United have averaged a highly impressive 3,344 fans on the road in an aggregate attendance of 16,722.
It has included an outstanding following of over 6,000 fans for the away game at Milton Keynes Dons on September 19.
Leeds’ impressive average is almost 600 higher than their average of 2,755 last term, which was the best in the Football League.
United’s current 2015-16 average is over 500 more than nearest rival Derby County, whose average is 2,827, with 14,135 away fans having travelled to watch the Rams so far this campaign.
In third place are Middlesbrough, who have averaged 2,504 travelling fans on the road this term in an aggregate away attendance of 12,520.
The only other side to average over 2,000 fans at away games so far this season are Wolves (2,061).
Also in the top six of current average Championship away crowds are Queens Park Rangers (fifth with 1,888) and Sheffield Wednesday (sixth with 1,801).
Hull City (967) are ranked 16th, one place above Huddersfield Town (884), with Rotherham United (760) in 19th.
The bottom three clubs in terms of away supports in the Championship so far this term are Brentford (634), Milton Keynes Dons (627) and Charlton Athletic (590).
United (3,045) were the best supported away side in the Football League in 2013-14 ahead of League One champions Wolverhampton (2,556).
United also led the way with an average away attendance of 2,678 in 2012-13, followed by Sheffield Wednesday (2,500).
They also took the crown in 2011-12 when their average of 2,896 was higher than promoted West Ham United, who managed 2,792.
In their first season back in the Championship in 2010-11, Leeds boasted a whopping 3,484 average away contingent at their 23 league games, almost 1,400 more than second-placed Nottingham Forest (2,035).