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United Airlines

Is UA3520 delayed?

No — UA3520 landed in Chicago 22 min early, at 10:43 on Sep 30 (as of Sep 30, 18:00 UTC).

Usually on time: arrived within 15 min of schedule on 21 of the last 25 flights.

Arrived

22 min early

Official source · Updated

Departure

Louisville

SDF

Actual

Scheduled 10:25

Sep 30

Arrival

Chicago

ORD

Actual

Scheduled 11:05

Sep 30

Times shown in airport local time

Service date: · Scheduled departure date (America/Kentucky/Louisville)

Market settled: On time.

View this flight’s marketHow this market settles

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.

Also sold as AC3513, NH7791, NZ2866

Recent arrivals

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

  • Louisville → Chicago

    22 min early

  • Louisville → Chicago

    27 min early

  • Louisville → Chicago

    7 min early

  • Louisville → Chicago

    106 min late

  • Louisville → Chicago

    On schedule (5 min behind)

Is UA3520 usually late?

Observation window: Sep 1, 2026 – Oct 1, 2026

Observed arrivals
25
On time
84%
of 25 arrivals
Late
16%
of 25 arrivals
Cancelled
0%
of 27 flights
Median arrival delay
8 min early
9 in 10 arrived within
82 min

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. 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

At the airports today

Chicago (ORD) departures

Left more than 15 min late
215 of 257
Cancelled today
9

Related flights

All United Airlines flights

Flight history and details
UA3520 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 30, 2026ArrivedLouisvilleChicago
View this flight’s market
-22
Sep 29, 2026ArrivedLouisvilleChicago-27
Sep 28, 2026ArrivedLouisvilleChicago-7
Sep 27, 2026ArrivedLouisvilleChicago106
Sep 26, 2026ArrivedLouisvilleChicago5
Sep 25, 2026ArrivedLouisvilleChicago-36
Sep 24, 2026ArrivedLouisvilleChicago-29
Sep 23, 2026ArrivedChicagoIndianapolis12
Sep 21, 2026ArrivedChicagoIndianapolis-4
Sep 20, 2026ArrivedChicagoIndianapolis-10
Sep 19, 2026ArrivedChicagoIndianapolis46
Sep 18, 2026ArrivedChicagoIndianapolis133
Sep 17, 2026ArrivedChicagoIndianapolis162
Sep 14, 2026ArrivedChicagoIndianapolis-7
Sep 13, 2026ArrivedChicagoIndianapolis-1
Sep 12, 2026ArrivedChicagoIndianapolis-27
Sep 11, 2026ArrivedChicagoIndianapolis-10
Sep 10, 2026ArrivedChicagoIndianapolis0
Sep 9, 2026ArrivedChicagoIndianapolis-31
Sep 8, 2026ArrivedChicagoIndianapolis-30
Sep 7, 2026ArrivedChicagoLouisville-19
Sep 6, 2026ArrivedChicagoLouisville-3
Sep 5, 2026ArrivedChicagoLouisville-28
Sep 4, 2026ArrivedChicagoLouisville-8
Sep 3, 2026ArrivedChicagoLouisville-44

Email me if UA3520 runs late

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