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United Airlines

Is UA3664 delayed?

No delay reported yet. UA3664 is scheduled to leave Dulles at 17:36 on Nov 14 and reach Portland at 18:58 (as of Nov 14, 15:55 UTC).

Usually on time: arrived within 15 min of schedule on 25 of the last 28 flights.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

Dulles

IAD

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.

  • Dulles → Portland

    126 min late

  • Dulles → Portland

    14 min early

  • Dulles → Portland

    22 min early

  • Dulles → Portland

    12 min early

  • Dulles → Portland

    On schedule (1 min behind)

Is UA3664 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
28
On time
89%
of 28 arrivals
Late
11%
of 28 arrivals
Cancelled
3%
of 29 flights
Median arrival delay
14 min early
9 in 10 arrived within
7 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

Dulles (IAD) departures

Left more than 15 min late
17 of 46
Cancelled today
28
Flights from Dulles to Portland today

Related flights

All United Airlines flights

Flight history and details
UA3664 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026CancelledDullesPortlandNot availableNot available
Nov 12, 2026ArrivedDullesPortland126
Nov 11, 2026ArrivedDullesPortland-14
Nov 10, 2026ArrivedDullesPortland-22
Nov 9, 2026ArrivedDullesPortland-12
Nov 8, 2026ArrivedDullesPortland1
Nov 7, 2026ArrivedDullesPortland-5
Nov 6, 2026ArrivedDullesPortland-24
Nov 5, 2026ArrivedDullesPortland-20
Nov 4, 2026ArrivedDullesPortland16
Nov 3, 2026ArrivedDullesPortland-21
Nov 2, 2026ArrivedDullesPortland42
Nov 1, 2026ArrivedDullesPortland-13
Oct 31, 2026ArrivedDullesPortland-16
Oct 30, 2026ArrivedDullesPortland-15
Oct 29, 2026ArrivedDullesPortland-19
Oct 28, 2026ArrivedDullesPortland-10
Oct 27, 2026ArrivedDullesPortland-22
Oct 26, 2026ArrivedDullesPortland-10
Oct 25, 2026ArrivedDullesPortland3
Oct 24, 2026ArrivedChicagoNorfolk-19
Oct 23, 2026ArrivedChicagoNorfolk-7
Oct 22, 2026ArrivedChicagoNorfolk-25
Oct 21, 2026ArrivedChicagoNorfolk-4
Oct 20, 2026ArrivedChicagoNorfolk-22
Oct 19, 2026ArrivedChicagoNorfolk-19
Oct 18, 2026ArrivedChicagoNorfolk-23
Oct 17, 2026ArrivedChicagoNorfolk-13
Oct 16, 2026ArrivedChicagoNorfolk-9
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