UA 3520 then AA 821 at O'Hare
Louisville → Chicago → San Francisco
Timetable, Chicago time
11:12UA 3520 from Louisville at the gate
15:10AA 821 to San Francisco leaves the gate
3 h 58 apart on the timetable
Today
From the airport’s board at 16:57 Chicago time
10:46UA 3520 reached the gate26 min early
15:05AA 821 left the gate5 min early
4 h 19 between the gates
The last 4 days both flew
Between the gates: UA 3520 reaching its gate to AA 821 leaving its gate.
3 h 34shortest
4 h 26typical
5 h 25longest
0 of 4 days had 15 min or more less than the timetable.
UA 3520 typically reached its gate 23 min early, AA 821 left 11 min late.
Times each day
| Day | UA 3520 at the gate | AA 821 left the gate | Between |
|---|---|---|---|
| Wed 4 Nov | 11:01 21 min early | 15:03 7 min early | 4 h 02 |
| Tue 3 Nov | 10:55 27 min early | 16:20 1 h 10 late | 5 h 25 |
| Mon 2 Nov | 10:47 25 min early | 15:36 26 min late | 4 h 49 |
| Sun 1 Nov | 11:32 10 min late | 15:06 4 min early | 3 h 34 |
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.