AirTran U: *All AirTran U fares, taxes and fees are per segment. Fares do not include per-segment taxes of $3.60, Airport Passenger Facility Charges of up to $4.50 per segment, and September 11th security fee of $2.50 per segment. A segment is defined as one takeoff and one landing. Fares, routes and schedules are subject to change without notice. A+ Rewards: **A+ Rewards seats are subject to availability and blackout dates. Taxes and fees are extra—the September 11th security fee of up to $2.50 per segment is not included. A segment is defined as one takeoff and one landing. Passengers traveling to/from Puerto Rico are subject to additional government taxes of up to $32.20. Fares to/from Cancun do not include additional government taxes of up to $100.