The reality of the slot swap, and US airline consolidation in general, is that major airline services are becoming more homogenous from the largest markets.
Pan Am becomes the first airlines to start 747 flights in 1970, STS-42 brings the first female Canadian into space in 1992, a P-3 Orion distance record in 1971, Apollo 5 launches in 1968, and the crashes of American Airlines Fl...