Originally Posted by tom911

I've only done a routing like this once, with an overnight JFK flight from SFO followed by a late afternoon Zurich flight, and my bag made it just fine. If you're still worried, you might do a search on the New York City forum here for "baggage" or "locker", or similar terms, and see what FTers are doing when they go into Manhattan with baggage. Maybe there's somewhere around the airport to store luggage for a few hours.