Originally Posted by
gengar
So wait, it's impossible to change the seat via the JetBlue website on any successive segments of an itinerary after being checked-in? (The option is currently greyed out for me - found this thread via search.)
Usually the website seat map is only locked out when you're actively checked into one of the flights on the itinerary. But a quick gander around these parts will reveal that JetBlue's website doesn't always function exactly as it's supposed to.