UA 638 then AC 4432 at San Francisco
Chicago O'Hare → San Francisco → Tucson
Timetable, San Francisco time
15:35UA 638 from Chicago O'Hare at the gatealso AC 4116
18:47AC 4432 to Tucson leaves the gatealso UA 5688, LH 9398, NZ 9747
3 h 12 apart on the timetable
Today
From the airport’s board at 11:59 San Francisco time
16:56UA 638 expected at the gate1 h 21 late
18:47AC 4432 due to leave, no estimate yet
1 h 51 between the gates, on these times
The last 10 days both flew
Between the gates: UA 638 reaching its gate to AC 4432 leaving its gate.
1 h 22shortest
3 h 27typical
5 h 42longest
2 of 10 days had 15 min or more less than the timetable.
UA 638 typically reached its gate 13 min early, AC 4432 left 3 min early.
Times each day
| Day | UA 638 at the gate | AC 4432 left the gate | Between |
|---|---|---|---|
| Thu 12 Nov | 15:09 26 min early | 18:45 2 min early | 3 h 36 |
| Wed 11 Nov | 15:58 23 min late | 18:39 8 min early | 2 h 41 |
| Tue 10 Nov | 15:30 5 min early | 18:29 8 min early | 2 h 59 |
| Mon 9 Nov | 15:19 16 min early | 20:27 1 h 40 late | 5 h 08 |
| Sun 8 Nov | 15:05 30 min early | 20:47 2 h late | 5 h 42 |
| Sat 7 Nov | 14:57 38 min early | 18:40 7 min early | 3 h 43 |
| Fri 6 Nov | 14:51 44 min early | 18:41 6 min early | 3 h 50 |
| Thu 5 Nov | 15:24 11 min early | 18:42 5 min early | 3 h 18 |
| Wed 4 Nov | 15:44 9 min late | 18:46 1 min early | 3 h 02 |
| Tue 3 Nov | 17:22 1 h 47 late | 18:44 7 min late | 1 h 22 |
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.
Later flights to Tucson
No later flight to Tucson on the timetable.