If you've ever traveled on a commercial jet, you probably know to avoid picking the middle seat in a row of three. n air carrier's seat map may highlight certain rows as having additional legroom or a missing seat in front, but airlines typically leave out a few critical details that can mean the difference between a decent flight and a miserable one. Sites like SeatExpert and TripAdvisor's SeatGuru take the guesswork out of selecting an ideal seat.Read more on NewsOK.com