Skip to content

United Airlines

Is UA4543 delayed?

Service date: · Scheduled departure date (UTC)

No live update yet

Check with your airline for the latest status.

Update time unavailable

Departure

Knoxville

TYS

Scheduled

Sep 16

Arrival

Chicago

ORD

Scheduled

Sep 16

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
View this flight’s market

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.

  • TYS → ORD

    39 min late

  • TYS → ORD

    7 min early

  • TYS → ORD

    43 min early

  • ORD → GRR

    22 min early

  • TYS → ORD

    48 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
14
Arrivals over 15 minutes late
2
Observed cancellations
5
Observed occurrences
29

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

UA4543 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 15, 2026ArrivedKnoxvilleChicago
View this flight’s market
39
Sep 14, 2026ArrivedKnoxvilleChicago
-7
Sep 13, 2026ArrivedKnoxvilleChicago
-43
Sep 12, 2026ArrivedChicagoGrand Rapids
-22
Sep 12, 2026ArrivedKnoxvilleChicago
-48
Sep 11, 2026ArrivedKnoxvilleChicago
34
Sep 10, 2026ArrivedKnoxvilleChicago
-18
Sep 9, 2026ArrivedKnoxvilleChicago
5
Sep 8, 2026CancelledChicagoGrand RapidsNot available
Not available
Sep 8, 2026ArrivedKnoxvilleChicago
-17
Sep 7, 2026ArrivedNewarkGreensboro
-20
Sep 6, 2026ArrivedNewarkGreensboro
-26
Sep 5, 2026ArrivedNorfolkNewark
-7
Sep 4, 2026ArrivedNewarkGreensboro
-22
Sep 2, 2026CancelledNewarkGreensboroNot available
Not available
Sep 1, 2026CancelledNewarkGreensboroNot available
Not available
Aug 28, 2026ArrivedNewarkGreensboro
-34
Aug 27, 2026CancelledNewarkGreensboroNot available
Not available
Aug 20, 2026CancelledNewarkGreensboroNot available
Not available

Essential cookies keep the site running; analytics are optional. Privacy policy