Skip to content

United Airlines

Is UA1523 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

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

No live update yet

Check with your airline for the latest status.

Update time unavailable

Departure

Dulles

IAD

Scheduled

Sep 4

Arrival

Guatemala City

GUA

Scheduled

Sep 5

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

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

Arrived

38 min late

Official source · Updated

Departure

Seattle

SEA

Actual

Scheduled 08:10

Sep 4

Arrival

Dulles

IAD

Actual

Scheduled 16:16

Sep 4

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Route overview: Seattle → DullesSEAIAD
Route overview

Recent arrivals

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

  • SEA → IAD

    40 min late

  • SEA → IAD

    19 min early

  • SEA → IAD

    20 min early

  • SEA → IAD

    <1 min late

  • SEA → IAD

    2 min early
Flight history and details

Aug 24, 2026 — Sep 23, 2026

Observed arrivals
29
Arrivals over 15 minutes late
3
Observed cancellations
0
Observed occurrences
31

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

UA1523 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 22, 2026ArrivedSeattleDulles
40
Sep 21, 2026ArrivedSeattleDulles
-19
Sep 20, 2026ArrivedSeattleDulles
-20
Sep 19, 2026ArrivedSeattleDulles
0
Sep 18, 2026ArrivedSeattleDulles
-2
Sep 17, 2026ArrivedSeattleDulles
-14
Sep 16, 2026ArrivedSeattleDulles
-18
Sep 15, 2026ArrivedSeattleDulles
-14
Sep 14, 2026ArrivedSeattleDulles
-16
Sep 13, 2026ArrivedSeattleDulles
-50
Sep 12, 2026ArrivedSeattleDulles
-25
Sep 11, 2026ArrivedSeattleDulles
-21
Sep 10, 2026ArrivedSeattleDulles
-30
Sep 9, 2026ArrivedSeattleDulles
-28
Sep 8, 2026ArrivedSeattleDulles
-15
Sep 7, 2026ArrivedSeattleDulles
-17
Sep 6, 2026ArrivedSeattleDulles
-29
Sep 5, 2026ArrivedSeattleDulles
-24
Sep 4, 2026ArrivedSeattleDulles
38
Sep 3, 2026ArrivedSeattleDulles
-25
Sep 2, 2026ArrivedSeattleDulles
27
Sep 1, 2026ArrivedSeattleDulles
-28
Aug 31, 2026ArrivedSeattleDulles
8
Aug 30, 2026ArrivedSeattleDulles
-15
Aug 29, 2026ArrivedSeattleDulles
-21
Aug 28, 2026ArrivedSeattleDulles
-27
Aug 27, 2026ArrivedSeattleDulles
12
Aug 26, 2026ArrivedSeattleDulles
-32
Aug 25, 2026ArrivedSeattleDulles
-35

Essential cookies keep the site running; analytics are optional. Privacy policy