Does your favorite airfare search site or app show you all airfares? Probably not.
Many consumers don't realize that the airfare search apps and online travel agencies they're using don't show Delta or Southwest Airlines, which together control over 35 percent of U.S. domestic air travel.
Check this list in order to be a better informed airfare shopper.
CheapOAir: No Southwest, No Delta
Expedia: No Southwest
Google Flights: No Southwest
Hipmunk: No Delta or Southwest
Hopper: No Delta or Southwest
JustFly: No Southwest, No Delta
Kayak: No Southwest
Orbitz: No Southwest
Priceline: No Southwest
Skyscanner: No Delta; Southwest via a travel agency that charges higher prices
Travelocity: No Southwest
Trip Advisor Flights: No Delta or Southwest
