Originally Posted by
richardinmotion
My MIA-SAN flight in a few days has been rescheduled with an additional delay of about 1.5 hours. What are common strategies to take advantage of this type of reschedule, if any? I see that I can grab another flight via JFK for an additional 1K MQM, but is there anything else I should be thinking about? I'm in no hurry to get back home, so just exploring options here.

As long as there are seats available (doesn't have to be in the same fare class) and it's a valid routing a phone CSR should rebook you on the flight you want. If they refuse, hangup and try another. You will almost certainly remain in your booked fair class.