UA 540 then UA 321 at O'Hare
San Diego → Chicago → Phoenix
Timetable, Chicago time
04:34UA 540 from San Diego at the gate
09:15UA 321 to Phoenix leaves the gate
4 h 41 apart on the timetable
Today
From the airport’s board at 23:05 Chicago time
04:30UA 540 reached the gate4 min early
09:06UA 321 left the gate9 min early
4 h 36 between the gates
The last 10 days both flew
Between the gates: UA 540 reaching its gate to UA 321 leaving its gate.
4 h 31shortest
4 h 48typical
5 h 26longest
0 of 10 days had 15 min or more less than the timetable.
UA 540 typically reached its gate 17 min early, UA 321 left 6 min early.
Times each day
| Day | UA 540 at the gate | UA 321 left the gate | Between |
|---|---|---|---|
| Wed 11 Nov | 04:10 24 min early | 09:10 5 min early | 5 h |
| Tue 10 Nov | 04:33 1 min early | 09:08 7 min early | 4 h 35 |
| Mon 9 Nov | 04:38 4 min late | 09:09 6 min early | 4 h 31 |
| Sun 8 Nov | 04:21 13 min early | 09:06 9 min early | 4 h 45 |
| Sat 7 Nov | 04:28 6 min early | 09:13 2 min early | 4 h 45 |
| Fri 6 Nov | 04:13 21 min early | 09:03 12 min early | 4 h 50 |
| Thu 5 Nov | 04:33 1 min early | 09:07 8 min early | 4 h 34 |
| Wed 4 Nov | 03:55 39 min early | 09:12 3 min early | 5 h 17 |
| Tue 3 Nov | 04:11 23 min early | 09:08 7 min early | 4 h 57 |
| Mon 2 Nov | 04:13 21 min early | 09:39 24 min late | 5 h 26 |
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.