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United Airlines

Is UA3666 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

23 min late

Official source · Updated

Departure

Pittsburgh

PIT

Actual

Scheduled 23:27

Sep 19

Arrival

Newark

EWR

Actual

Scheduled 20:47

Sep 18

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

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.

  • PIT → EWR

    23 min early

  • PIT → EWR

    23 min late

  • PIT → EWR

    68 min late

  • PIT → EWR

    8 min early

  • PIT → EWR

    33 min early
Flight history and details

Aug 23, 2026 — Sep 22, 2026

Observed arrivals
15
Arrivals over 15 minutes late
7
Observed cancellations
1
Observed occurrences
16

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

UA3666 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 21, 2026CancelledPittsburghNewarkNot available
View this flight’s market
Not available
Sep 20, 2026ArrivedPittsburghNewark
-23
Sep 18, 2026ArrivedPittsburghNewark
23
Sep 17, 2026ArrivedPittsburghNewark
68
Sep 16, 2026ArrivedPittsburghNewark
-8
Sep 15, 2026ArrivedPittsburghNewark
-33
Sep 14, 2026ArrivedPittsburghNewark
-24
Sep 13, 2026ArrivedPittsburghNewark
110
Sep 11, 2026ArrivedPittsburghNewark
23
Sep 10, 2026ArrivedPittsburghNewark
-1
Sep 9, 2026ArrivedPittsburghNewark
-16
Sep 8, 2026ArrivedPittsburghNewark
-32
Sep 7, 2026ArrivedPittsburghNewark
73
Sep 6, 2026ArrivedPittsburghNewark
-17
Sep 4, 2026ArrivedPittsburghNewark
36
Sep 3, 2026ArrivedPittsburghNewark
107

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