Is UA4579 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
55 min late
Official source · Updated
Departure
Appleton
ATW
Actual
Scheduled 20:06
Sep 16
Arrival
Chicago
ORD
Actual
Scheduled 15:57
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
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ATWORD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 55 min late
ATW → ORD
- 78 min late
ATW → ORD
- 142 min late
ATW → ORD
- 25 min early
ATW → ORD
- 12 min early
ATW → ORD
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 8
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 16, 2026Arrived | Appleton | Chicago | 55 | |
| Sep 15, 2026Arrived | Appleton | Chicago | 78 | |
| Sep 14, 2026Arrived | Appleton | Chicago | 142 | |
| Sep 11, 2026Arrived | Appleton | Chicago | -25 | |
| Sep 10, 2026Arrived | Appleton | Chicago | -12 | |
| Sep 9, 2026Arrived | Appleton | Chicago | -27 | |
| Sep 8, 2026Arrived | Norfolk | Dulles | -10 | |
| Sep 5, 2026Arrived | Richmond | Chicago | 12 |