Originally Posted by nd2010

If they were smart about it, they would book a seat in someone else’s name and then cancel it. All you need is a name and birthday for someone else.
There are people who would legitimately book two flights within hours of each other. A business traveler who doesn’t know when their meeting would end and needs to be at the destination ASAP. Would be cheaper to book two flights in advance than a last minute walk up fare or hoping to stand by.