Skip to content

United Airlines

Is UA1128 delayed?

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

Arrived

14 min early

Official source · Updated

Departure

Dulles

IAD

Actual

Scheduled 18:24

Sep 7

Arrival

Seattle

SEA

Actual

Scheduled 20:37

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Route overview: Dulles → SeattleIADSEA
Route overview

Recent arrivals

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

  • IAD → SEA

    12 min early

  • IAD → SEA

    45 min late

  • IAD → SEA

    16 min late

  • IAD → SEA

    16 min late

  • IAD → SEA

    1 min early
Flight history and details

Aug 22, 2026 — Sep 21, 2026

Observed arrivals
27
Arrivals over 15 minutes late
9
Observed cancellations
0
Observed occurrences
28

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

UA1128 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 20, 2026ArrivedDullesSeattle
View this flight’s market
-12
Sep 19, 2026ArrivedDullesSeattle
45
Sep 18, 2026ArrivedDullesSeattle
16
Sep 17, 2026ArrivedDullesSeattle
16
Sep 16, 2026ArrivedDullesSeattle
-1
Sep 15, 2026ArrivedSan FranciscoNashville
6
Sep 13, 2026ArrivedDullesSeattle
3
Sep 12, 2026ArrivedDullesSeattle
12
Sep 10, 2026ArrivedDullesSeattle
-6
Sep 9, 2026ArrivedDullesSeattle
-12
Sep 8, 2026ArrivedSan FranciscoNashville
6
Sep 7, 2026ArrivedDullesSeattle
-14
Sep 6, 2026ArrivedDullesSeattle
-2
Sep 5, 2026ArrivedDullesSeattle
-18
Sep 4, 2026ArrivedDullesSeattle
169
Sep 3, 2026ArrivedDullesSeattle
90
Sep 2, 2026ArrivedDullesSeattle
70
Sep 1, 2026ArrivedDallas-Fort WorthSan Francisco
80
Aug 31, 2026ArrivedDullesSeattle
-13
Aug 30, 2026ArrivedDullesSeattle
4
Aug 29, 2026ArrivedDullesSeattle
-17
Aug 28, 2026ArrivedDullesSeattle
1
Aug 27, 2026ArrivedDullesSeattle
209
Aug 26, 2026ArrivedDullesSeattle
10
Aug 25, 2026ArrivedDallas-Fort WorthSan Francisco
-17
Aug 24, 2026ArrivedDullesSeattle
1
Aug 23, 2026ArrivedDullesSeattle
30

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