It was 85 yards (Touchdown) from Jake Dellhome to Musin Muhammad (Sorry if I spelled a name wrong) in the Super Bowl against the Patriots.
The longest pass completion in Super Bowl history was 85 yards when Muhsin Mahammad hauled in a pass for the Carolina Panthers in Super Bowl XXXVIII. This is not a touchdown pass just a completion pass.
Bob Hayes
100 yards
joe montana
Longest completion: Eli Manning pass to Kevin Boss for 45 yards in the fourth quarter.
Troy Edwards.Through Week 1 of the 2009 season, the longest pass completion in Jaguars' history is 84 yards from Byron Leftwich to Troy Edwards on September 28, 2003 against the Houston Texans.
The longest TD completion in the NFL is 99 yards. Technically, it can't be any more than that. But two QBs have thrown that long, the Vikings did it just a couple of weeks ago.
The longest pass completion in Steelers history is 95 yards. Ben Roethlisberger to Mike Wallace on October 23, 2011.
Peyton Manning to Austin Collie (Colts) for 40 yards.
Through the 2008 season, 91 yards. Brady's longest pass completion is 91 yards to David Patten on October 21, 2001 against the Indianapolis Colts at the RCA Dome. The pass went for a TD.
The longest pass play in Dallas Cowboys history occurred at Washington on November 13, 1966, when wide receiver Bob Hayes caught a 95-yard touchdown pass from quarterback Don Meredith.
For the passer, it's called a completion. For the receiver, it's called a reception.