Originally Posted by
moondog
11. Until I was around 12 (so the rough time frame is1975-87), my mom and I went from Boston to Pittsburgh almost every year. We flew BOS-PIT nonstop on 3 different airlines during that time frame, though 2 of them were effectively the same airline (i.e. just a rebrand or a perhaps a merger + rebranding) on 4 different a/c types. One of these airlines also operated flights between BOS and PIT that stopped in 2 different places (XXX and YYY), which were each close to “great circle” compliance, but if you tried to hit both on the same flight, you’d be zigzagging. A fourth airline entered our orbit on the same route in the early 80s, but didn’t offer through fares (e.g. BOS-ZZZ and ZZZ-PIT were sold separately, and my mom always paid in cash at the beginning of each segment, but there must have been other sales channels too). This airline was folded into airline #5, which did offer through fares, but everything else remained the same (i.e. airplanes and XXX) until the end of the decade. So, I’m looking for 5 airlines, 4 a/c types (subtypes might have been applicable in 2 cases, but I don’t know them), and XXX/YYY/ZZZ.