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United Airlines

Is UA8307 delayed?

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

Arrived

2 min late

Official source · Updated

Departure

Toronto

YYZ

Actual

Scheduled 14:00

Sep 10

Arrival

Chicago

ORD

Actual

Scheduled 14:55

Sep 10

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Operating flight: ACA509

Route overview: Toronto → ChicagoYYZORD
Route overview

Recent arrivals

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

  • YYZ → ORD

    78 min late

  • YYZ → ORD

    15 min early

  • YYZ → ORD

    115 min late

  • YYZ → ORD

    22 min early

  • YYZ → ORD

    13 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
14
Arrivals over 15 minutes late
4
Observed cancellations
0
Observed occurrences
14

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

UA8307 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedTorontoChicago
View this flight’s market
78
Sep 16, 2026ArrivedTorontoChicago
-15
Sep 15, 2026ArrivedTorontoChicago
115
Sep 14, 2026ArrivedTorontoChicago
-22
Sep 13, 2026ArrivedTorontoChicago
13
Sep 12, 2026ArrivedTorontoChicago
-26
Sep 11, 2026ArrivedTorontoChicago
-27
Sep 10, 2026ArrivedTorontoChicago
2
Sep 9, 2026ArrivedTorontoChicago
-18
Sep 8, 2026ArrivedTorontoChicago
-34
Sep 7, 2026ArrivedTorontoChicago
37
Sep 6, 2026ArrivedTorontoChicago
-32
Sep 5, 2026ArrivedTorontoChicago
-16
Sep 4, 2026ArrivedTorontoChicago
85

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