This is a screen cap of Desmond looking at the flight board in the sideways universe. It is interesting to note that Flight 815 is different. It's status board was blinking "Arrival," while the other flights just posted Arrival. It is also interesting to note that Hurley knew the baggage claim number before it was posted (which could have been given by a gate attendant), but the image above gives one at least to ponder whether in the sideways universe, Flight 815's "status" is in limbo, whether it truly arrived or that it crashed.
For those who believe the time worlds will merge (because of the conscious bleeding overlaps in Season 6), 815 crashing on the island time world is incompatible with 815 arriving in the sideways world. In order to stop the universes from colliding upon themselves, those with knowledge of the cross-over would need to be eliminated - - - but how? Is island universe ghost Charlie really sideways Charlie bleeding through? To eliminate the cross throughs, does both universe Charlies need to be killed-eliminated (if the real Constant in this story is your own self?)
