UA 638 then OZ 9521 at San Francisco
Chicago O'Hare → San Francisco → Houston
Timetable, San Francisco time
15:35UA 638 from Chicago O'Hare at the gatealso AC 4116
16:40OZ 9521 to Houston leaves the gate
1 h 05 apart on the timetable
Today
From the airport’s board at 14:53 San Francisco time
14:56UA 638 expected at the gate39 min early
16:40OZ 9521 due to leave, no estimate yet
1 h 44 between the gates, on these times
The last 10 days both flew
Between the gates: UA 638 reaching its gate to OZ 9521 leaving its gate.
47 minshortest
2 h 11typical
3 h 16longest
2 of 10 days had 15 min or more less than the timetable.
UA 638 typically reached its gate 7 min early, OZ 9521 left 6 min early.
Times each day
| Day | UA 638 at the gate | OZ 9521 left the gate | Between |
|---|---|---|---|
| Thu 5 Nov | 15:24 11 min early | 16:30 10 min early | 1 h 06 |
| Wed 4 Nov | 15:44 9 min late | 16:31 9 min early | 47 min |
| Tue 3 Nov | 17:22 1 h 47 late | 18:35 1 h 55 late | 1 h 13 |
| Mon 2 Nov | 15:15 20 min early | 16:46 6 min late | 1 h 31 |
| Sun 1 Nov | 15:26 9 min early | 16:34 6 min early | 1 h 08 |
| Fri 30 Oct | 15:30 5 min early | 18:29 6 min early | 2 h 59 |
| Thu 29 Oct | 15:18 17 min early | 18:34 1 min early | 3 h 16 |
| Wed 28 Oct | 15:23 12 min early | 18:33 9 min early | 3 h 10 |
| Tue 27 Oct | 15:37 2 min late | 18:28 14 min early | 2 h 51 |
| Mon 26 Oct | 15:39 4 min late | 18:30 5 min early | 2 h 51 |
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.