UA 4397 then AA 821 at O'Hare
Columbia Metropolitan → Chicago → San Francisco
Timetable, Chicago time
11:59UA 4397 from Columbia Metropolitan at the gate
15:10AA 821 to San Francisco leaves the gate
3 h 11 apart on the timetable
Today
From the airport’s board at 12:05 Chicago time
11:59UA 4397 due at the gate, no estimate yet
15:10AA 821 due to leave, no estimate yet
3 h 11 between the gates, on these times
The last 4 days both flew
Between the gates: UA 4397 reaching its gate to AA 821 leaving its gate.
3 h 20shortest
3 h 31typical
4 h 43longest
0 of 4 days had 15 min or more less than the timetable.
UA 4397 typically reached its gate 15 min early, AA 821 left 11 min late.
Times each day
| Day | UA 4397 at the gate | AA 821 left the gate | Between |
|---|---|---|---|
| Wed 4 Nov | 11:41 18 min early | 15:03 7 min early | 3 h 22 |
| Tue 3 Nov | 11:37 22 min early | 16:20 1 h 10 late | 4 h 43 |
| Mon 2 Nov | 11:57 2 min early | 15:36 26 min late | 3 h 39 |
| Sun 1 Nov | 11:46 13 min early | 15:06 4 min early | 3 h 20 |
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.