UA 638 then DL 1655 at San Francisco
Chicago O'Hare → San Francisco → Boston
Timetable, San Francisco time
15:35UA 638 from Chicago O'Hare at the gatealso AC 4116
21:58DL 1655 to Boston leaves the gatealso VS 2642, LA 6808
6 h 23 apart on the timetable
Today
From the airport’s board at 10:27 San Francisco time
16:00UA 638 expected at the gate25 min late
21:58DL 1655 due to leave, no estimate yet
5 h 58 between the gates, on these times
The last 9 days both flew
Between the gates: UA 638 reaching its gate to DL 1655 leaving its gate.
6 hshortest
6 h 37typical
7 h 48longest
2 of 7 days had 15 min or more less than the timetable. A flight cancelled on 2 days.
UA 638 typically reached its gate 16 min early, DL 1655 left 2 min early.
Times each day
| Day | UA 638 at the gate | DL 1655 left the gate | Between |
|---|---|---|---|
| Sat 14 Nov | DL 1655 cancelled | ||
| Fri 13 Nov | UA 638 cancelled | ||
| Thu 12 Nov | 15:09 26 min early | 22:01 3 min late | 6 h 52 |
| Wed 11 Nov | 15:58 23 min late | 21:58 on time | 6 h |
| Tue 10 Nov | 15:30 5 min early | 21:52 6 min early | 6 h 22 |
| Mon 9 Nov | 15:19 16 min early | 21:56 2 min early | 6 h 37 |
| Sun 8 Nov | 15:05 30 min early | 21:45 9 min early | 6 h 40 |
| Mon 26 Oct | 15:39 4 min late | 21:41 13 min early | 6 h 02 |
| Sun 25 Oct | 15:11 24 min early | 22:59 1 h 05 late | 7 h 48 |
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.