Jezebel has stamped her name on history as the representative of all that is designing, crafty, malicious, revengeful, and cruel. She is the first great instigator of persecution against the saints of God.
Confidence votes 39.3K. From New York, NY (NYC) to Dallas/Fort Worth, TX (DFW) the shortest Flight duration is 3 hours 35 minutes. If the flight is not direct, it can take much longer, depending on layover times.
Seriously, buy food after security...it will all be junk but at least it's edible. There is no extra legroom in economy on international flights. Business is pretty nice. I've only flown first on Swiss, so I don't know about Delta. I think Dallas to NY is like 4 or 5 hours. NY to Spain is about 7. Mostly try to sleep, bring your laptop and iPod, books, a cd player for when your laptop and iPod die, and buy food after security to eat.