SEA, SFO, HNL, LAX, LAS, PHX, MSP, MEM, ATL, MCO, IAD, PHL, EWR, DTW, BUF, BOS, AMS, NRT, BKK, SIN, LGW, FRA, PVD, MHT, LGA, DCA, IAH, IND, ANC and BDL.

I'm sure I may have missed a couple. I've probably flown out of another 20 to 25 airports in total.