Answer: delta

AnswerCrossword Clue
DELTAContinental competitor
DELTAAtlanta-based carrier
DELTABuildup around the mouth
DELTAAlluvial plain
DELTAMississippi formation
DELTASilt site
DELTATriangular Greek letter
DELTARiver mouth formation
DELTATriangular deposit
DELTAUnited competitor
DELTAAmerican rival
DELTAThree-sided letter
DELTARecent Chapter 11 filer
DELTAIt may be forming at the mouth
DELTAAmerican competitor
DELTAAtlanta-based airline
DELTALand formation named for its usual shape
DELTA"Animal House" house
DELTAMouth formation
DELTASkyMiles airline
deltatriangular plain between the branches of the mouth of a river
DELTAMouth of the South?
DELTAAfter gamma
DELTAAlluvial land
DELTARiver mouth
DELTANin's "...... of Venus"
DELTAGamma's follower
DELTAMississippi's mouth
DELTAMouth of the Mississippi
DELTAAirline whose name is a letter
DELTANorthwest merger partner
DELTAActress Burke
DELTAFertile formation
DELTATriangular letter
DELTATriangle
DELTAContinental rival
DELTATriangular figure
DELTASilty deposit
DELTAMississippi area
DELTABlues birthplace