ALWAYS screenshot your boarding pass at check in!

I just got home from a flight that had a 23 hour 50 min layover in Orlando. First flight was 5:25 am yesterday, today's flight was 7:20am. As of 5:30am this morning the trip is NOWHERE to be found in the app. Not in upcoming, not in past....I managed to get to boarding passes using my confirmation number, but could not do the 4-hour prior seat upgrades.