UA 4423 then AA 3977 at O'Hare
St Louis → Chicago → Detroit
Timetable, Chicago time
07:36UA 4423 from St Louis at the gate
10:30AA 3977 to Detroit leaves the gate
2 h 54 apart on the timetable
The last 5 days both flew
Between the gates: UA 4423 reaching its gate to AA 3977 leaving its gate.
2 h 24shortest
3 h 03typical
4 h 25longest
1 of 5 days had 15 min or more less than the timetable.
UA 4423 typically reached its gate 3 min late, AA 3977 left 5 min early.
Times each day
| Day | UA 4423 at the gate | AA 3977 left the gate | Between |
|---|---|---|---|
| Sat 31 Oct | 07:20 16 min early | 10:23 7 min early | 3 h 03 |
| Fri 30 Oct | 07:33 3 min early | 10:25 5 min early | 2 h 52 |
| Thu 29 Oct | 07:51 15 min late | 11:17 47 min late | 3 h 26 |
| Wed 28 Oct | 07:39 3 min late | 12:04 1 h 34 late | 4 h 25 |
| Mon 26 Oct | 08:00 24 min late | 10:24 6 min early | 2 h 24 |
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.