UA 638 then UA 552 at San Francisco
Chicago O'Hare → San Francisco → Ontario
Timetable, San Francisco time
15:35UA 638 from Chicago O'Hare at the gatealso AC 4116
21:20UA 552 to Ontario leaves the gatealso CM 1456
5 h 45 apart on the timetable
Today
From the airport’s board at 16:17 San Francisco time
22:05UA 638 expected at the gate6 h 30 late
21:20UA 552 due to leave, no estimate yet
−45 min between the gates, on these times
The last 10 days both flew
Between the gates: UA 638 reaching its gate to UA 552 leaving its gate.
31 minshortest
3 h 56typical
6 h 38longest
1 of 10 days had 15 min or more less than the timetable.
UA 638 typically reached its gate 13 min early, UA 552 left 6 min early.
Times each day
| Day | UA 638 at the gate | UA 552 left the gate | Between |
|---|---|---|---|
| Thu 12 Nov | 15:09 26 min early | 21:10 10 min early | 6 h 01 |
| Wed 11 Nov | 15:58 23 min late | 16:29 11 min early | 31 min |
| Tue 10 Nov | 15:30 5 min early | 16:29 11 min early | 59 min |
| Mon 9 Nov | 15:19 16 min early | 21:39 19 min late | 6 h 20 |
| Sun 8 Nov | 15:05 30 min early | 21:43 23 min late | 6 h 38 |
| Sat 7 Nov | 14:57 38 min early | 17:00 40 min late | 2 h 03 |
| Fri 6 Nov | 14:51 44 min early | 21:10 10 min early | 6 h 19 |
| Thu 5 Nov | 15:24 11 min early | 21:12 8 min early | 5 h 48 |
| Wed 4 Nov | 15:44 9 min late | 16:35 5 min early | 51 min |
| Tue 3 Nov | 17:22 1 h 47 late | 19:14 2 h 34 late | 1 h 52 |
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 Ontario
No later flight to Ontario on the timetable.