Originally Posted by
guv1976
Southwest is the only carrier with nonstop STL-BUR service (and it only operates seasonally).
The OP has to decide whether his priority is nonstop service, cheap fares, free checked bags (available with affinity credit cards with many U.S. airlines), or something else.
For favorable mileage-redemption rates in Coach, it's often tough to beat AA:
My destination is not BUR
I keep this tip in mind to redeem AA
Thanks for the great tip on AA redemption.