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United Airlines

Is UA3503 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

18 min early

Official source · Updated

Departure

Moline

MLI

Scheduled

Sep 12

Arrival

Chicago

ORD

Actual

Scheduled 09:12

Sep 12

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.

  • IAD → BTV

    19 min late

  • IAD → BTV

    6 min late

  • MLI → ORD

    39 min early

  • MLI → ORD

    268 min late

  • IAD → BTV

    2 min early
Flight history and details

Aug 25, 2026 — Sep 24, 2026

Observed arrivals
19
Arrivals over 15 minutes late
3
Observed cancellations
0
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

UA3503 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 22, 2026ArrivedDullesBurlington
19
Sep 21, 2026ArrivedDullesBurlington
6
Sep 20, 2026ArrivedMolineChicago
-39
Sep 19, 2026ArrivedMolineChicago
268
Sep 18, 2026ArrivedDullesBurlington
-2
Sep 17, 2026ArrivedDullesBurlington
11
Sep 16, 2026ArrivedDullesBurlington
-7
Sep 15, 2026ArrivedDullesBurlington
5
Sep 13, 2026ArrivedMolineChicago
-39
Sep 12, 2026ArrivedMolineChicago
-18
Sep 11, 2026ArrivedDullesBurlington
5
Sep 10, 2026ArrivedDullesBurlington
-14
Sep 9, 2026ArrivedDullesBurlington
-14
Sep 8, 2026ArrivedDullesBurlington
-10
Sep 7, 2026ArrivedChicagoNorfolk
-25
Sep 5, 2026ArrivedChicagoNorfolk
48
Sep 4, 2026ArrivedChicagoNorfolk
8
Aug 30, 2026ArrivedChicagoNorfolk
0
Aug 29, 2026ArrivedChicagoNorfolk
-24

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