AA 3740 then UA 638 at O'Hare
Sioux Falls → Chicago → San Francisco
Timetable, Chicago time
09:00AA 3740 from Sioux Falls at the gate
12:42UA 638 to San Francisco leaves the gate
3 h 42 apart on the timetable
The last day both flew
Between the gates: AA 3740 reaching its gate to UA 638 leaving its gate.
3 h 47shortest
3 h 47typical
3 h 47longest
0 of 1 day had 15 min or more less than the timetable.
AA 3740 typically reached its gate 8 min early, UA 638 left 3 min early.
Times each day
| Day | AA 3740 at the gate | UA 638 left the gate | Between |
|---|---|---|---|
| Sun 1 Nov | 08:52 8 min early | 12:39 3 min early | 3 h 47 |
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.