WN 4351 then OO 377 at San Francisco
Baltimore → San Francisco → Salt Lake City
Timetable, San Francisco time
14:35WN 4351 from Baltimore at the gate
19:49OO 377 to Salt Lake City leaves the gate
5 h 14 apart on the timetable
The last days
WN 4351 and OO 377 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.