Aldrin was told he wouldn't be able to get on the flight, which prompted his frustration.
"Are you operating an airline here or not?" Aldrin asked on the video. "We've been sitting here now 20 minutes waiting for somebody to come and fix a two-minute problem.... This is the most lousy operation I've ever seen."
The issue was that it was past the check-in cutoff time at Los Angeles International for the flight, but the agent offered to rebook him on an alternate flight.
-- Stay up to date on the latest news on Atlanta airline travel by following Atlanta Airport News Now on Facebook. Buzz Aldrin raised some concerns with a Delta agent after missing a flight.