That's just economics. Demand in the US for thanksgiving travel goes through the roof. Airlines don't magically have more planes to fly during the holiday (i.e.

That's just economics. Demand in the US for thanksgiving travel goes through the roof. Airlines don't magically have more planes to fly during the holiday (i.e. supply is fixed). The result: prices adjust upwards and force more people to spread out travel over different dates, find alternative arrangements, or forgo travel.