AA 1239 then UA 3909 at O'Hare
Boston → Chicago → San Francisco
Timetable, Chicago time
10:30AA 1239 from Boston at the gate
19:30UA 3909 to San Francisco leaves the gate
9 h apart on the timetable
The last 2 days both flew
Between the gates: AA 1239 reaching its gate to UA 3909 leaving its gate.
8 hshortest
8 h 30typical
9 hlongest
0 of 2 days had 15 min or more less than the timetable.
AA 1239 typically reached its gate 32 min early, UA 3909 left 13 min late.
Times each day
| Day | AA 1239 at the gate | UA 3909 left the gate | Between |
|---|---|---|---|
| Thu 5 Nov | 10:08 22 min early | 19:08 22 min early | 9 h |
| Tue 3 Nov | 09:48 42 min early | 17:48 48 min late | 8 h |
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.