Is UA4557 delayed?
No — UA4557 landed in Chicago 5 min early, at 07:48 on Sep 29 (as of Sep 29, 15:08 UTC).
Usually on time: arrived within 15 min of schedule on 18 of the last 19 flights.
5 min early
Official source · Updated
Departure
Columbia
COU
Actual
Scheduled 06:15
Sep 29
Arrival
Chicago
ORD
Actual
Scheduled 07:53
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Market settled: On 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.
- 5 min early
Columbia → Chicago
- 18 min early
Columbia → Chicago
- On schedule (5 min behind)
Columbia → Chicago
- 16 min early
Columbia → Chicago
- 39 min early
Columbia → Chicago
Is UA4557 usually late?
Observation window: Aug 30, 2026 – Sep 29, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Chicago (ORD) departures
- Left more than 15 min late
- 151 of 220
- Cancelled today
- 3
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 29, 2026Arrived | Columbia | Chicago | -5 | |
| Sep 28, 2026Arrived | Columbia | Chicago | -18 | |
| Sep 27, 2026Arrived | Columbia | Chicago | 5 | |
| Sep 26, 2026Arrived | Columbia | Chicago | -16 | |
| Sep 25, 2026Arrived | Columbia | Chicago | -39 | |
| Sep 24, 2026Arrived | Columbia | Chicago | -36 | |
| Sep 23, 2026Arrived | Dulles | Hebron | -17 | |
| Sep 22, 2026Arrived | Dulles | Hebron | -3 | |
| Sep 21, 2026Arrived | Dulles | Hebron | 26 | |
| Sep 18, 2026Arrived | Dulles | Hebron | -8 | |
| Sep 17, 2026Arrived | Dulles | Hebron | -23 | |
| Sep 16, 2026Arrived | Dulles | Hebron | -4 | |
| Sep 14, 2026Arrived | Dulles | Hebron | -19 | |
| Sep 11, 2026Arrived | Dulles | Hebron | 0 | |
| Sep 10, 2026Arrived | Dulles | Hebron | -12 | |
| Sep 9, 2026Arrived | Dulles | Hebron | -21 | |
| Sep 8, 2026Arrived | Dulles | Hebron | -26 | |
| Sep 7, 2026Arrived | Greenville | Dulles | -22 | |
| Sep 6, 2026Arrived | State College | Dulles | -20 |
Email me if UA4557 runs late
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