Table 1.

‘Twice as far in half the time’ – by 1935 flying offered significant reductions in journey times, a fact which had serious implications for the spread of disease.

London to -	Time by air (days)	Time by surface transport (days)	Time saved by air (days)
Alexandria	2½	4½	2
Calcutta	6½	16	9½
Rangoon	7	19	12
Singapore	8½	22	13½
Nairobi	5½	19	13½
Johannesburg	8½	18½	10
Cape Town	9	17	8
Brisbane	12½	32	19½

Source: derived from Imperial Airways (1935: 8).