On May 12, 1946 the Frisco altered the run and schedule of its trains, 117 and 118. Commencing on that date, the Firefly ceased to be, and operating under a new name, The Texas Flash, trains 117 and 118 operated between KC and Dallas on a speedy, daylight, 10.5 hour schedule with the Firefly's consist. The new schedule was short-lived, and on May 1, 1947, the Firefly returned, and it resumed its "original" schedule between KC and OKC. Seventy years ago during November 1949, the Frisco announced its intention to shorten the Firefly's run to Tulsa. On April 30, 1950, The Firefly no longer called on OKC. Pacific 1026 was the first to leave the roster on May 31, 1949 and number 1031 left the roster on October 4, 1949. Sic transit gloria mundi.