CINCINNATI — There’s something about a flight really early in the morning. On Sunday, I had a 5:30 a.m. flight. The bad was that it was a 5:30 a.m. flight — the good was that not only was it direct, but it got me back in Cincinnati before noon, which is pretty good when you’re flying in from the Pacific time zone. Advertisement Ever since I slept through an Atlanta-to-Tokyo flight my freshman year of college, I’m annoyingly early to airports. That meant I set several alarms — 2:30 a.m. for the initial wakeup, 2:36 a.m. as the, “for real,…