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United Airlines

Is UA1434 delayed?

No — UA1434 landed in Dulles 18 min early, at 10:55 on Sep 29 (as of Sep 29, 14:55 UTC).

Usually on time: arrived within 15 min of schedule on 35 of the last 40 flights.

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

Arrived

18 min early

Official source · Updated

Departure

Jacksonville

JAX

Actual

Scheduled 09:36

Sep 29

Arrival

Dulles

IAD

Actual

Scheduled 11:14

Sep 29

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
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.

Estimated arrivalLast reported

23 min early

This update may be out of date.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

Update time unavailable

Departure

Dulles

IAD

Scheduled

Not available

Arrival

San Francisco

SFO

Estimated

Scheduled 15:33

Sep 29

Times shown in airport local time

Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)

Flight details

Departure · UTC

Scheduled
Not available
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.

Also sold as NZ9175, ET1358, VA8389

Route overview: Dulles → San FranciscoIADSFO
Dulles → San Francisco

Recent arrivals

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

  • Jacksonville → Dulles

    18 min early
  • Dulles → San Francisco

    29 min early
  • Dulles → San Francisco

    15 min early
  • Jacksonville → Dulles

    10 min early
  • Dulles → San Francisco

    11 min early

Is UA1434 usually late?

Observation window: Aug 30, 2026 – Sep 29, 2026

Observed arrivals
40
On time
88%
of 40 arrivals
Late
13%
of 40 arrivals
Cancelled
0%
of 40 flights
Median arrival delay
7 min early
9 in 10 arrived within
20 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. 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

At the airports today

Dulles (IAD) departures

Left more than 15 min late
14 of 109
Cancelled today
0

All United Airlines flights

Flight history and details
UA1434 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 29, 2026ArrivedJacksonvilleDulles-18
Sep 28, 2026ArrivedDullesSan Francisco-29
Sep 27, 2026ArrivedDullesSan Francisco-15
Sep 27, 2026ArrivedJacksonvilleDulles-10
Sep 26, 2026ArrivedDullesSan Francisco-11
Sep 26, 2026ArrivedJacksonvilleDulles-3
Sep 25, 2026ArrivedDullesSan Francisco-13
Sep 25, 2026ArrivedJacksonvilleDulles-11
Sep 24, 2026ArrivedDullesSan Francisco5
Sep 24, 2026ArrivedJacksonvilleDulles73
Sep 23, 2026ArrivedDullesSan Francisco11
Sep 22, 2026ArrivedDullesSan Francisco6
Sep 21, 2026ArrivedDullesSan Francisco14
Sep 20, 2026ArrivedDullesSan Francisco-14
Sep 19, 2026ArrivedDullesSan Francisco9
Sep 19, 2026ArrivedJacksonvilleDulles77
Sep 18, 2026ArrivedDullesSan Francisco2
Sep 18, 2026ArrivedJacksonvilleDulles-1
Sep 17, 2026ArrivedDullesSan Francisco13
Sep 16, 2026ArrivedDullesSan Francisco2
Sep 15, 2026ArrivedDullesSan Francisco-15
Sep 14, 2026ArrivedDullesSan Francisco-7
Sep 13, 2026ArrivedDullesSan Francisco24
Sep 12, 2026ArrivedDullesSan Francisco-1
Sep 12, 2026ArrivedJacksonvilleDulles-6
Sep 11, 2026ArrivedDullesSan Francisco-14
Sep 11, 2026ArrivedJacksonvilleDulles0
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 Francisco19
Sep 5, 2026ArrivedJacksonvilleDulles-20
Sep 4, 2026ArrivedDullesSan Francisco-11
Sep 4, 2026ArrivedJacksonvilleDulles46
Sep 3, 2026ArrivedDullesSan Francisco6
Sep 2, 2026ArrivedDullesSan Francisco-10
Sep 1, 2026ArrivedDullesSan Francisco-30
Aug 31, 2026ArrivedDullesSan Francisco-7

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