UA 638 then SQ 33 at San Francisco
Chicago O'Hare → San Francisco → Singapore
Timetable, San Francisco time
15:35UA 638 from Chicago O'Hare at the gatealso AC 4116
20:15SQ 33 to Singapore leaves the gate
4 h 40 apart on the timetable
Today
From the airport’s board at 15:07 San Francisco time
22:05UA 638 expected at the gate6 h 30 late
20:15SQ 33 due to leave, no estimate yet
−1 h 50 between the gates, on these times
The last 10 days both flew
Between the gates: UA 638 reaching its gate to SQ 33 leaving its gate.
2 h 56shortest
5 h 09typical
6 h 37longest
1 of 10 days had 15 min or more less than the timetable.
UA 638 typically reached its gate 13 min early, SQ 33 left 17 min late.
Times each day
| Day | UA 638 at the gate | SQ 33 left the gate | Between |
|---|---|---|---|
| Thu 12 Nov | 15:09 26 min early | 20:31 16 min late | 5 h 22 |
| Wed 11 Nov | 15:58 23 min late | 20:33 18 min late | 4 h 35 |
| Tue 10 Nov | 15:30 5 min early | 20:40 25 min late | 5 h 10 |
| Mon 9 Nov | 15:19 16 min early | 20:11 4 min early | 4 h 52 |
| Sun 8 Nov | 15:05 30 min early | 20:12 3 min early | 5 h 07 |
| Sat 7 Nov | 14:57 38 min early | 21:34 1 h 19 late | 6 h 37 |
| Fri 6 Nov | 14:51 44 min early | 20:27 12 min late | 5 h 36 |
| Thu 5 Nov | 15:24 11 min early | 21:16 1 h 01 late | 5 h 52 |
| Wed 4 Nov | 15:44 9 min late | 20:43 28 min late | 4 h 59 |
| Tue 3 Nov | 17:22 1 h 47 late | 20:18 3 min late | 2 h 56 |
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 Singapore
UA 122:407 h 05 after UA 638 on the timetable