AA 1239 then AA 821 at O'Hare
Boston → Chicago → San Francisco
Timetable, Chicago time
10:30AA 1239 from Boston at the gate
15:10AA 821 to San Francisco leaves the gate
4 h 40 apart on the timetable
Today
From the airport’s board at 16:57 Chicago time
10:08AA 1239 reached the gate22 min early
15:05AA 821 left the gate5 min early
4 h 57 between the gates
The last 4 days both flew
Between the gates: AA 1239 reaching its gate to AA 821 leaving its gate.
5 h 06shortest
5 h 22typical
6 h 32longest
0 of 4 days had 15 min or more less than the timetable.
AA 1239 typically reached its gate 33 min early, AA 821 left 11 min late.
Times each day
| Day | AA 1239 at the gate | AA 821 left the gate | Between |
|---|---|---|---|
| Wed 4 Nov | 09:54 36 min early | 15:03 7 min early | 5 h 09 |
| Tue 3 Nov | 09:48 42 min early | 16:20 1 h 10 late | 6 h 32 |
| Mon 2 Nov | 10:01 29 min early | 15:36 26 min late | 5 h 35 |
| Sun 1 Nov | 10:00 30 min early | 15:06 4 min early | 5 h 06 |
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.