Guide to American Airlines Flight Numbers

Ever wonder how American Airlines' flight numbers are divvied up, particularly amongst the various regional carriers who operate American Eagle flights? Here you go:

Mainline 1-2999

SkyWest 3000-3299, 4915-5014, 6240-6349

Envoy 3300-4249

Republic 4500-4914

PSA 5015-5679

Mesa 5680-5959

Piedmont 5960-6239

Keep in mind, these ranges may change slightly from month to month, but these are the latest.