Template:SeasonBySeason RainbowCup LBFB

In Rainbow/Season 2 the Long Beach Flightless Birds were the #1 seed in the West League.
- They clinched the pennant in the West League Championship Series by coming in first place ahead of the Vegas Vampires .
- They won the Rainbow Cup Series, accumulating 58🌈 to finish 5🌈 ahead of the Louisville Illusionists .
In Rainbow/Season 7 the Long Beach Flightless Birds were the #2 seed in the West League.
- They were knocked out in the West League Championship Series by the Salt Lake Turbulence and the Albuquerque Solarpunks .
In Rainbow/Season 8 the Long Beach Flightless Birds were the #1 seed in the West League.
- They were knocked out in the West League Championship Series by the San Diego Balloon Animals and the Seattle Sneakers .
In Rainbow/Season 14 the Long Beach Flightless Birds were the #1 seed in the West League.
- They clinched the pennant in the West League Championship Series by coming in second place behind the Grand Junction Conjunctions .
- They came in fourth in the Rainbow Cup Series, accumulating 42🌈 to finish 17🌈 behind the first-place Grand Junction Conjunctions .
In Rainbow/Season 16 the Long Beach Flightless Birds were the #2 seed in the West League.
- They clinched the pennant in the West League Championship Series by coming in second place behind the Seattle Sneakers .
- They came in fourth in the Rainbow Cup Series, accumulating 38🌈 to finish 19🌈 behind the first-place Seattle Sneakers .
In Rainbow/Season 20 the Long Beach Flightless Birds were the #3 seed in the West League.
- They clinched the pennant in the West League Championship Series by coming in second place behind the Sacramento Boot Lickers .
- They came in second in the Rainbow Cup Series, accumulating 46🌈 to finish 25🌈 behind the first-place Sacramento Boot Lickers .