Is UA4423 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Chicago)
29 min early
Official source · Updated
Departure
Chicago
ORD
Scheduled
Sep 20
Arrival
Columbia
CAE
Actual
Sep 20
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Service date: · Scheduled departure date (UTC)
28 min late
Official source · Updated
Departure
St Louis
STL
Actual
Sep 20
Arrival
Chicago
ORD
Actual
Sep 20
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 29 min early
ORD → CAE
- 28 min late
STL → ORD
- 348 min late
ORD → CAE
- 35 min early
STL → ORD
- 14 min early
ORD → CAE
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 2
- Observed occurrences
- 22
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 20, 2026Arrived | Chicago | Columbia | -29 | |
| Sep 20, 2026Arrived | St Louis | Chicago | 28 | |
| Sep 19, 2026Arrived | Chicago | Columbia | 348 | |
| Sep 19, 2026Cancelled | St Louis | Chicago | Not available | Not available |
| Sep 18, 2026Arrived | St Louis | Chicago | -35 | |
| Sep 17, 2026Cancelled | St Louis | Chicago | Not available | Not available |
| Sep 16, 2026Arrived | Chicago | Columbia | -14 | |
| Sep 16, 2026Arrived | St Louis | Chicago | -21 | |
| Sep 15, 2026Arrived | Chicago | Columbia | -17 | |
| Sep 14, 2026Arrived | St Louis | Chicago | -20 | |
| Sep 13, 2026Arrived | St Louis | Chicago | -15 | |
| Sep 12, 2026Arrived | Chicago | Columbia | -36 | |
| Sep 12, 2026Arrived | St Louis | Chicago | -11 | |
| Sep 11, 2026Arrived | St Louis | Chicago | -18 | |
| Sep 10, 2026Arrived | St Louis | Chicago | -18 | |
| Sep 9, 2026Arrived | Chicago | Columbia | -63 | |
| Sep 9, 2026Arrived | St Louis | Chicago | -6 | |
| Sep 8, 2026Arrived | Corpus Christi | Houston | 8 | |
| Sep 7, 2026Arrived | St Louis | Chicago | -20 | |
| Sep 6, 2026Arrived | St Louis | Chicago | -20 | |
| Sep 5, 2026Arrived | St Louis | Chicago | 140 | |
| Sep 4, 2026Arrived | St Louis | Chicago | -24 |