A plan on a tarmac. Credit: Tobias Titz / Getty Images Flight diversions—when a plane must land somewhere other than its intended destination—can happen for a number of reasons, including bad weather, mechanical issues, and medical emergencies.Passengers on diverted flights in the United States may qualify for compensation, but airline obligations vary based on the cause.Travel insurance can help cover additional costs of diversions, like lodging and meals, but be sure to review your policy to see what's covered. Say you’re en route to Miami when the pilot announces that the plane has been diverted to Tallahassee. Maybe there was severe weather in Miami, maybe the plane had mechanical issues, or maybe there was an onboard medical emergency. Either way, rather than landing in Miami, you’re stranded in Tallahassee until things get sorted. It’s not a good feeling, but flight diversions, which occur when flights land somewhere other than the destination on your ticket, do happen.…