eoJson(flightsEW, {
            onEachFeature: function (feature, layer) {
                layer.setText(feature.properties.flight, {offset: -5, orientation: 'flip'});
            },
            style: {
                weight: 3,
                color: 'purple',
                dashArray: '4, 4'
            }
        }).addTo(map);

        var pos1 = [40.418075, -3.704643],
            pos2 = [40.413119, -3.702369];
        var line = L.polyline([pos1, pos2]);
        line.setText('HOLA', { center: true, 