Many travelers assume airline miles are like fine wine—they only get better with time. The reality is that miles can vanish faster than a seat upgrade on a sold-out flight. Airlines often set quiet expiration policies buried in the fine print of loyalty programs.
One long lull in travel or spending can send those hard-earned miles into oblivion. It’s a rude awakening when people log in, ready to book a dream trip, only to find their balance wiped out.
