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United Airlines

Is UA4478 delayed?

No delay reported yet. UA4478 is scheduled to leave Newark at 12:18 on Nov 14 and reach Portland at 13:23 (as of Nov 14, 16:01 UTC).

Usually on time: arrived within 15 min of schedule on 24 of the last 28 flights.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Newark

EWR

Scheduled

Nov 14

Arrival

Portland

PWM

Scheduled

Nov 14

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Recent arrivals

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

  • Newark → Portland

    11 min early

  • Newark → Portland

    18 min early

  • Newark → Portland

    21 min early

  • Newark → Portland

    19 min early

  • Newark → Portland

    11 min early

Is UA4478 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
28
On time
86%
of 28 arrivals
Late
14%
of 28 arrivals
Cancelled
3%
of 29 flights
Median arrival delay
15 min early
9 in 10 arrived within
22 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. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Newark (EWR) departures

Left more than 15 min late
26 of 63
Cancelled today
44
Flights from Newark to Portland today

Related flights

Other flights EWR → KPWM

All United Airlines flights

Flight history and details
UA4478 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026ArrivedNewarkPortland-11
Nov 12, 2026ArrivedNewarkPortland-18
Nov 11, 2026ArrivedNewarkPortland-21
Nov 10, 2026ArrivedNewarkPortland-19
Nov 9, 2026ArrivedNewarkPortland-11
Nov 8, 2026ArrivedNewarkPortland-12
Nov 7, 2026ArrivedNewarkPortland-31
Nov 6, 2026CancelledNewarkPortlandNot availableNot available
Nov 5, 2026ArrivedNewarkPortland-22
Nov 4, 2026ArrivedNewarkPortland-19
Nov 3, 2026ArrivedNewarkPortland0
Nov 2, 2026ArrivedNewarkPortland-19
Nov 1, 2026ArrivedNewarkPortland-6
Oct 31, 2026ArrivedNewarkPortland-19
Oct 30, 2026ArrivedNewarkPortland-10
Oct 29, 2026ArrivedNewarkPortland-21
Oct 28, 2026ArrivedNewarkPortland-7
Oct 27, 2026ArrivedNewarkPortland-21
Oct 26, 2026ArrivedNewarkPortland-25
Oct 25, 2026ArrivedNewarkPortland17
Oct 24, 2026ArrivedNewarkPittsburgh59
Oct 23, 2026ArrivedNewarkPittsburgh-21
Oct 22, 2026ArrivedNewarkPittsburgh-11
Oct 21, 2026ArrivedNewarkPittsburgh-13
Oct 20, 2026ArrivedNewarkPittsburgh-17
Oct 19, 2026ArrivedNewarkPittsburgh34
Oct 18, 2026ArrivedNewarkPittsburgh-18
Oct 17, 2026ArrivedNewarkPittsburgh120
Oct 16, 2026ArrivedNewarkPittsburgh12
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