Originally Posted by rkm
I also tried one thing that didn't work. The night before, I dropped by the airport, initiated check-in at the kiosk, and tried the "Standby for Alternate Flight" option. The kiosk was unable to propose any alternate itineraries. Given that mine was the first flight out, I'm guessing they aren't programmed to handle a later standby.
Free standby is allowed if it's the same day (not the night before).