AA 4378 then UA 638 at O'Hare
Northwest Arkansas → Chicago → San Francisco
Timetable, Chicago time
08:45AA 4378 from Northwest Arkansas at the gate
12:42UA 638 to San Francisco leaves the gate
3 h 57 apart on the timetable
The last day both flew
Between the gates: AA 4378 reaching its gate to UA 638 leaving its gate.
4 h 21shortest
4 h 21typical
4 h 21longest
0 of 1 day had 15 min or more less than the timetable.
AA 4378 typically reached its gate 27 min early, UA 638 left 3 min early.
Times each day
| Day | AA 4378 at the gate | UA 638 left the gate | Between |
|---|---|---|---|
| Sun 1 Nov | 08:18 27 min early | 12:39 3 min early | 4 h 21 |
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.