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United Airlines

Is UA4543 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

287 min late

Official source · Updated

Departure

Knoxville

TYS

Actual

Scheduled 14:45

Sep 22

Arrival

Chicago

ORD

Actual

Scheduled 11:49

Sep 22

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual
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

    287 min late

  • TYS → ORD

    101 min late

  • TYS → ORD

    199 min late

  • ORD → GRR

    219 min late

  • TYS → ORD

    208 min late
Flight history and details

Aug 24, 2026 — Sep 23, 2026

Observed arrivals
22
Arrivals over 15 minutes late
9
Observed cancellations
4
Observed occurrences
33

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 22, 2026ArrivedKnoxvilleChicago
View this flight’s market
287
Sep 21, 2026ArrivedKnoxvilleChicago
101
Sep 20, 2026ArrivedKnoxvilleChicago
199
Sep 19, 2026ArrivedChicagoGrand Rapids
219
Sep 19, 2026ArrivedKnoxvilleChicago
208
Sep 18, 2026ArrivedKnoxvilleChicago
-21
Sep 17, 2026ArrivedKnoxvilleChicago
188
Sep 16, 2026ArrivedKnoxvilleChicago
69
Sep 15, 2026ArrivedKnoxvilleChicago
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

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