Skip to content

United Airlines

Is UA1434 delayed?

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

Estimated arrivalLast reported

6 min late

This update may be out of date. Check with your airline.

Update time unavailable

Departure

Dulles

IAD

Scheduled

Sep 16

Arrival

San Francisco

SFO

Estimated

Scheduled 15:22

Sep 16

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Actual
Not available
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Route overview: Dulles → San FranciscoIADSFO
Route overview

Recent arrivals

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

  • IAD → SFO

    15 min early

  • IAD → SFO

    7 min early

  • IAD → SFO

    24 min late

  • IAD → SFO

    1 min early

  • JAX → IAD

    6 min early
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
31
Arrivals over 15 minutes late
3
Observed cancellations
0
Observed occurrences
33

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

UA1434 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 15, 2026ArrivedDullesSan Francisco
-15
Sep 14, 2026ArrivedDullesSan Francisco
-7
Sep 13, 2026ArrivedDullesSan Francisco
24
Sep 12, 2026ArrivedDullesSan Francisco
-1
Sep 12, 2026ArrivedJacksonvilleDulles
-6
Sep 11, 2026ArrivedDullesSan Francisco
-14
Sep 11, 2026ArrivedJacksonvilleDulles
0
Sep 10, 2026ArrivedDullesSan Francisco
-5
Sep 9, 2026ArrivedDullesSan Francisco
-13
Sep 8, 2026ArrivedDullesSan Francisco
-22
Sep 7, 2026ArrivedDullesSan Francisco
-35
Sep 6, 2026ArrivedDullesSan Francisco
-10
Sep 5, 2026ArrivedDullesSan Francisco
19
Sep 5, 2026ArrivedJacksonvilleDulles
-20
Sep 4, 2026ArrivedDullesSan Francisco
-11
Sep 4, 2026ArrivedJacksonvilleDulles
46
Sep 3, 2026ArrivedDullesSan Francisco
6
Sep 2, 2026ArrivedDullesSan Francisco
-10
Sep 1, 2026ArrivedDullesSan Francisco
-30
Aug 31, 2026ArrivedDullesSan Francisco
-7
Aug 30, 2026ArrivedDullesSan Francisco
-17
Aug 29, 2026ArrivedDullesSan Francisco
0
Aug 28, 2026ArrivedDullesSan Francisco
-26
Aug 27, 2026ArrivedDullesSan Francisco
-3
Aug 26, 2026ArrivedDullesSan Francisco
-24
Aug 25, 2026ArrivedDullesSan Francisco
0
Aug 24, 2026ArrivedDullesSan Francisco
-26
Aug 22, 2026ArrivedDullesSan Francisco
-23
Aug 21, 2026ArrivedDullesSan Francisco
-9
Aug 20, 2026ArrivedDullesSan Francisco
-26
Aug 19, 2026ArrivedDullesSan Francisco
-26

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