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United Airlines

Is UA3531 delayed?

Service date: · Scheduled arrival date; departure time unavailable (America/Toronto)

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Update time unavailable

Departure

Chicago

ORD

Scheduled

Not available

Arrival

Toronto

YYZ

Scheduled

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Not available
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available
Route overview: Chicago → TorontoORDYYZ
Route overview

Recent arrivals

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

  • ORD → YYZ

    78 min late

  • ORD → YYZ

    17 min early

  • ORD → YYZ

    19 min early

  • ORD → YYZ

    28 min early

  • ORD → YYZ

    6 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
22
Arrivals over 15 minutes late
5
Observed cancellations
1
Observed occurrences
26

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

UA3531 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 15, 2026ArrivedChicagoToronto
78
Sep 14, 2026ArrivedChicagoToronto
-17
Sep 13, 2026ArrivedChicagoToronto
-19
Sep 12, 2026ArrivedChicagoToronto
-28
Sep 11, 2026ArrivedChicagoToronto
-6
Sep 10, 2026ArrivedChicagoToronto
-11
Sep 9, 2026ArrivedChicagoToronto
-27
Sep 8, 2026ArrivedChicagoToronto
-19
Sep 7, 2026ArrivedChicagoToronto
-20
Sep 6, 2026ArrivedChicagoToronto
0
Sep 5, 2026ArrivedChicagoToronto
37
Sep 4, 2026ArrivedChicagoToronto
32
Sep 3, 2026ArrivedChicagoToronto
82
Sep 2, 2026CancelledChicagoTorontoNot available
Not available
Sep 1, 2026ArrivedChicagoToronto
-18
Aug 30, 2026ArrivedChicagoToronto
132
Aug 29, 2026ArrivedChicagoToronto
-14
Aug 28, 2026ArrivedChicagoToronto
-33
Aug 27, 2026ArrivedChicagoToronto
-12
Aug 26, 2026ArrivedChicagoToronto
-19
Aug 25, 2026ArrivedChicagoToronto
-22
Aug 24, 2026ArrivedChicagoToronto
-19
Aug 23, 2026ArrivedChicagoToronto
-33

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