Originally Posted by
6rugrats
I don't know that the agent would laugh, but they won't change the flight without charging you the change penalty and the difference in ticket price. Your flight must have changed by at least 90 minutes for them to consider a change with no charge to you.
Not really the original poster's situation, but what if a scheduling change of less than 90 minutes reduces a connection to below the minimum connection time at the connecting airport (or otherwise turns a relatively safe connection into one with a high probability of misconnecting)?