AA 866 then UA 3909 at O'Hare
Boston → Chicago → San Francisco
Timetable, Chicago time
15:37AA 866 from Boston at the gate
19:30UA 3909 to San Francisco leaves the gate
3 h 53 apart on the timetable
The last 2 days both flew
Between the gates: AA 866 reaching its gate to UA 3909 leaving its gate.
2 h 42shortest
3 h 21typical
4 hlongest
0 of 2 days had 15 min or more less than the timetable.
AA 866 typically reached its gate 30 min early, UA 3909 left 13 min late.
Times each day
| Day | AA 866 at the gate | UA 3909 left the gate | Between |
|---|---|---|---|
| Thu 5 Nov | 15:08 29 min early | 19:08 22 min early | 4 h |
| Tue 3 Nov | 15:06 31 min early | 17:48 48 min late | 2 h 42 |
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.