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United Airlines

Is UA4399 delayed?

Service date: · Scheduled departure date (America/Chicago)

Arrived

3 min late

Official source · Updated

Departure

Chicago

ORD

Scheduled

Sep 9

Arrival

Fayetteville/Springdale/

XNA

Actual

Scheduled 22:54

Sep 9

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • ORD → XNA

    19 min early

  • ORD → XNA

    76 min late

  • ORD → XNA

    20 min late

  • ORD → XNA

    35 min late

  • ORD → XNA

    100 min late
Flight history and details

Aug 23, 2026 — Sep 22, 2026

Observed arrivals
15
Arrivals over 15 minutes late
9
Observed cancellations
0
Observed occurrences
23

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

UA4399 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 21, 2026ArrivedChicagoFayetteville/Springdale/
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-19
Sep 20, 2026ArrivedChicagoFayetteville/Springdale/
76
Sep 17, 2026ArrivedChicagoFayetteville/Springdale/
20
Sep 16, 2026ArrivedChicagoFayetteville/Springdale/
35
Sep 15, 2026ArrivedChicagoFayetteville/Springdale/
100
Sep 14, 2026ArrivedChicagoFayetteville/Springdale/
42
Sep 10, 2026ArrivedChicagoFayetteville/Springdale/
11
Sep 9, 2026ArrivedChicagoFayetteville/Springdale/
3
Sep 8, 2026ArrivedChicagoFayetteville/Springdale/
72
Sep 7, 2026ArrivedChicagoFayetteville/Springdale/
-24
Sep 6, 2026ArrivedOmahaChicago
116
Sep 5, 2026ArrivedChicagoFayetteville/Springdale/
4
Sep 4, 2026ArrivedOmahaChicago
-6
Aug 30, 2026ArrivedChicagoFayetteville/Springdale/
40
Aug 26, 2026ArrivedChicagoFayetteville/Springdale/
48

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