Nemo enim in via qui fecerunt loquebatur mecum usus in schola Latine. Tamen non possum dicere* : "Dos cafés con leche por favor señor"

Aerolineas Vega : Based Mexico City (though Oaxaca seems to have been an operations centre), started 1958, initially called LAGOSA, changed to this name 1963, seemed to fall by the wayside around 1969. Over time, 1 DC-2, 4 DC-3, 2 standard DC-6 (secondhand from Delta).

Running a DC-3 Merida to Acapulco in 1966 without serving Mexico City is like a UK carrier doing say Cardiff to Teesside without going through London with a DC-3 in 1966. Except, as I recall it, one did. Bonus Question Q7 : Which airline was that ?

* : Which roughly translated is : "We did Latin in school instead. All that I know [of Spanish] is : "