 "Super Stratocruisers" with more fuel appeared on Pan Am's transatlantic routes in November 1954, making nonstop eastward and one-stop westward schedules more reliably.In June 1947 Pan Am started the first scheduled round-the-world airline flight.In September the weekly DC-4 was scheduled to leave San Francisco at 2200 Thursday as Flight 1, stopping at Honolulu, Midway, Wake, Guam, Manila, Bangkok and arriving in Calcutta on Monday at 1245, where it met Flight 2, a Constellation that had left New York at 2330 Friday.