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United Airlines

Is UA1791 delayed?

No delay reported yet. UA1791 is scheduled to leave San Francisco at 14:13 on Nov 14 and reach Dulles at 21:49 (as of Nov 14, 15:57 UTC).

Usually on time: arrived within 15 min of schedule on 30 of the last 35 flights.

No live update yet

Showing the published schedule until live times come in.

Update time unavailable

Departure

San Francisco

SFO

Scheduled

Nov 14

Arrival

Dulles

IAD

Scheduled

Nov 14

Times shown in airport local time

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

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available

Also sold as AC3742, AC4162, AZ4448, CA7304, LH8951, VA8434, VA8583

Route overview: San Francisco → DullesSFOIAD
San Francisco → Dulles

Recent arrivals

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

  • San Diego → San Francisco

    95 min late

  • San Francisco → Dulles

    3 min early

  • San Diego → San Francisco

    12 min early

  • San Francisco → Dulles

    3 min early

  • San Francisco → Dulles

    23 min early

Is UA1791 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
35
On time
86%
of 35 arrivals
Late
14%
of 35 arrivals
Cancelled
2%
of 42 flights
Median arrival delay
7 min early
9 in 10 arrived within
17 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

San Francisco (SFO) departures

Left more than 15 min late
25 of 47
Cancelled today
41
Flights from San Francisco to Dulles today

Dulles (IAD) departures

Left more than 15 min late
17 of 46
Cancelled today
28

Related flights

All United Airlines flights

Flight history and details
UA1791 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 13, 2026CancelledSan FranciscoDullesNot availableNot available
Nov 13, 2026ArrivedSan DiegoSan Francisco95
Nov 12, 2026ArrivedSan FranciscoDulles-3
Nov 12, 2026ArrivedSan DiegoSan Francisco-12
Nov 11, 2026ArrivedSan FranciscoDulles-3
Nov 10, 2026ArrivedSan FranciscoDulles-23
Nov 9, 2026ArrivedSan FranciscoDulles-19
Nov 9, 2026ArrivedSan DiegoSan Francisco248
Nov 8, 2026ArrivedSan FranciscoDulles6
Nov 8, 2026ArrivedSan DiegoSan Francisco14
Nov 7, 2026ArrivedSan FranciscoDulles2
Nov 6, 2026ArrivedSan FranciscoDulles16
Nov 6, 2026ArrivedSan DiegoSan Francisco-23
Nov 5, 2026ArrivedSan FranciscoDulles-9
Nov 5, 2026ArrivedSan DiegoSan Francisco-28
Nov 4, 2026ArrivedSan FranciscoDulles8
Nov 3, 2026ArrivedSan FranciscoDulles-10
Nov 2, 2026ArrivedSan FranciscoDulles-12
Nov 1, 2026ArrivedSan FranciscoDulles-10
Oct 31, 2026ArrivedSan FranciscoDulles-2
Oct 30, 2026ArrivedSan FranciscoDulles-3
Oct 29, 2026ArrivedSan FranciscoDulles-18
Oct 28, 2026ArrivedSan FranciscoDulles-20
Oct 27, 2026ArrivedSan FranciscoDulles-16
Oct 26, 2026ArrivedSan FranciscoDulles10
Oct 25, 2026ArrivedSan FranciscoDulles-18
Oct 24, 2026ArrivedSan FranciscoDulles-11
Oct 23, 2026ArrivedSan FranciscoDulles-6
Oct 22, 2026ArrivedSan FranciscoDulles-10
Oct 21, 2026ArrivedSan FranciscoDulles17
Oct 20, 2026ArrivedSan FranciscoDulles-17
Oct 19, 2026ArrivedSan FranciscoDulles-21
Oct 18, 2026ArrivedSan FranciscoDulles5
Oct 17, 2026ArrivedSan FranciscoDulles-7
Oct 16, 2026ArrivedSan FranciscoDulles33
Oct 15, 2026ArrivedSan FranciscoDulles-4
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