WN 2548 then AF 2134 at San Francisco
Austin → San Francisco → Detroit
Timetable, San Francisco time
11:10WN 2548 from Austin at the gate
11:58AF 2134 to Detroit leaves the gate
48 min apart on the timetable
The last days
WN 2548 and AF 2134 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.