Is UA4543 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled departure date (America/Chicago)
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Departure
Chicago
ORD
Scheduled
Sep 13
Arrival
Grand Rapids
GRR
Scheduled
Sep 13
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Service date: · Scheduled departure date (UTC)
43 min early
Official source · Updated
Departure
Knoxville
TYS
Scheduled
Sep 13
Arrival
Chicago
ORD
Actual
Sep 13
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 21 min early
TYS → ORD
- 188 min late
TYS → ORD
- 69 min late
TYS → ORD
- 39 min late
TYS → ORD
- 7 min early
TYS → ORD
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 17
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 5
- Observed occurrences
- 30
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 18, 2026Arrived | Knoxville | Chicago | -21 | |
| Sep 17, 2026Arrived | Knoxville | Chicago | 188 | |
| Sep 16, 2026Arrived | Knoxville | Chicago | 69 | |
| Sep 15, 2026Arrived | Knoxville | Chicago | 39 | |
| Sep 14, 2026Arrived | Knoxville | Chicago | -7 | |
| Sep 13, 2026Arrived | Knoxville | Chicago | -43 | |
| Sep 12, 2026Arrived | Chicago | Grand Rapids | -22 | |
| Sep 12, 2026Arrived | Knoxville | Chicago | -48 | |
| Sep 11, 2026Arrived | Knoxville | Chicago | 34 | |
| Sep 10, 2026Arrived | Knoxville | Chicago | -18 | |
| Sep 9, 2026Arrived | Knoxville | Chicago | 5 | |
| Sep 8, 2026Cancelled | Chicago | Grand Rapids | Not available | Not available |
| Sep 8, 2026Arrived | Knoxville | Chicago | -17 | |
| Sep 7, 2026Arrived | Newark | Greensboro | -20 | |
| Sep 6, 2026Arrived | Newark | Greensboro | -26 | |
| Sep 5, 2026Arrived | Norfolk | Newark | -7 | |
| Sep 4, 2026Arrived | Newark | Greensboro | -22 | |
| Sep 2, 2026Cancelled | Newark | Greensboro | Not available | Not available |
| Sep 1, 2026Cancelled | Newark | Greensboro | Not available | Not available |
| Aug 28, 2026Arrived | Newark | Greensboro | -34 | |
| Aug 27, 2026Cancelled | Newark | Greensboro | Not available | Not available |
| Aug 20, 2026Cancelled | Newark | Greensboro | Not available | Not available |