United spent about five hours on Friday waiting for their commercial flight to take off out of Reagan International, after being deplaned and having the flight ultimately canceled due to weather in Montreal.
D.C. United's commercial flight to Montreal today canceled. Charter in works tomorrow (day of match). Happened last year for game at KC— Steven Goff (@SoccerInsider) July 1, 2017
They eventually boarded a charter the following morning, where the airplane crew told them they were flying on an aircraft originally reserved as be the backup plane for rock icons U2, a club spokesperson said.
Bono and friends were set to travel from northern New Jersey to Cleveland, and it turns out they didn't need the aircraft.
For what it's worth, D.C. had encountered a similar situation last season, when Alhaji Kamara scored in his MLS debut in a 1-0 win at Sporting Kansas City on May 27, 2016. Kamara just departed the club on June 23 for the Saudi Professional League.