A future project to create an open source flexible flight tracker on Google Maps
terms does not allow: http://www.flightstats.com/go/About/termsOfUse.do
departures by airport: http://www.flightstats.com/go/FlightStatus/flightStatusByAirport.do?airportCode=SEA&airportQueryType=0 arrivals by airport: http://www.flightstats.com/go/FlightStatus/flightStatusByAirport.do?airportCode=SEA&airportQueryType=1
status: http://www.flightstats.com/go/FlightStatus/flightStatusByFlight.do?id=297718136
location: http://www.flightstats.com/go/FlightStatus/flightStatusByFlightPositionDetails.do?id=297783296
in xml: http://www.flightstats.com/go/FlightTracker/flightTrackerUpdate.do?id=297783296
no terms preventing automated access :) http://www.helloflight.com/flight.cfm?flight=ke233 http://www.helloflight.com/airports/sea.cfm
Appears to be no API and terms ban reproducing data