what concourse does southwest airlines use at ohara's airport
Delta flies out of Terminal B at Kansas City. I've added the link for the Kansas City airport website - it has a nice list of the airlines and their terminals.
American Airlines uses Terminal 3 at Heathrow Airport.
Spirit Airlines operates out of Terminal 2 at Phoenix Sky Harbor International Airport (IATA: PHX, ICAO: KPHX)
Terminal 4
southwest airlanes
The 3-letter designator for UK's London Gatwick Airport is LGW.
Terminal/Concourse 2.
From the DIA/DEN Airport Guide - Airport Terminal Information (http://www.denver-den.com/terminals.html)Westside Ticketing and BaggageAir Canada, ATA Airlines, British Airways, Lufthansa, Mexicana, Northwest Airlines, Ted, United Airlines, and United Express. Many charters also use the west side.
Either A 30 or 31 - next to United.
The airport at Exeter, UK is mainly used seasonally by airlines such as Thomson and Thomas Cook etc. The only regular service is provided by FlyBe. See the related link for more information.
Several airlines provide service from Portland, Maine to Guatemala City. United Airlines, Delta Airlines, and American Airlines/US Airways all have flights.