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United Airlines

Is UA2278 delayed?

No delay reported — UA2278 is expected in San Francisco at 21:31 on Oct 1, as scheduled.

Usually on time: arrived within 15 min of schedule on 34 of the last 47 flights.

Estimated arrivalLast reported

On time

This update may be out of date.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

Update time unavailable

Departure

San Diego

SAN

Scheduled

Not available

Arrival

San Francisco

SFO

Estimated

Oct 1

Times shown in airport local time

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

Think UA2278 runs late today? Delayed is trading at 46¢ — pays out x2.16.

Will United Airlines UA 2278 from San Diego to San Francisco arrive on time, be delayed, or be cancelled on Oct 2?
On timePays out x1.9352%DelayedPays out x2.1646%CancelledPays out x50.002%
No trades yet — make the first callcloses on arrival
How this market settles
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 OZ6308, AC4200, AC4236, AC4372, AC5432, NZ9303, NZ9307, NZ9315, CM2519, VA8101, VA8105, VA8439

Route overview: San Diego → San FranciscoSANSFO
San Diego → San Francisco

Recent arrivals

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

  • San Francisco → Chicago

    30 min early

  • San Diego → San Francisco

    47 min early

  • San Francisco → Chicago

    10 min early

  • San Diego → San Francisco

    30 min early

  • San Francisco → Chicago

    28 min early

Is UA2278 usually late?

Observation window: Sep 1, 2026 – Oct 1, 2026

Observed arrivals
47
On time
72%
of 47 arrivals
Late
28%
of 47 arrivals
Cancelled
2%
of 48 flights
Median arrival delay
20 min early
9 in 10 arrived within
39 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

San Diego (SAN) departures

Left more than 15 min late
103 of 179
Cancelled today
3

San Francisco (SFO) departures

Left more than 15 min late
202 of 375
Cancelled today
3

Related flights

All United Airlines flights

Flight history and details
UA2278 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 30, 2026ArrivedSan FranciscoChicago
View this flight’s market
-30
Sep 30, 2026ArrivedSan DiegoSan Francisco
View this flight’s market
-47
Sep 29, 2026ArrivedSan FranciscoChicago-10
Sep 29, 2026ArrivedSan DiegoSan Francisco-30
Sep 28, 2026ArrivedSan FranciscoChicago-28
Sep 27, 2026ArrivedSan FranciscoChicago-5
Sep 27, 2026ArrivedSan DiegoSan Francisco34
Sep 26, 2026ArrivedSan FranciscoChicago-22
Sep 26, 2026ArrivedSan DiegoSan Francisco-44
Sep 25, 2026ArrivedSan FranciscoChicago-20
Sep 25, 2026ArrivedSan DiegoSan Francisco21
Sep 24, 2026ArrivedSan FranciscoChicago-28
Sep 24, 2026ArrivedSan DiegoSan Francisco-5
Sep 23, 2026ArrivedSan FranciscoChicago-31
Sep 22, 2026ArrivedSan FranciscoChicago-40
Sep 21, 2026ArrivedSan FranciscoChicago-13
Sep 21, 2026ArrivedSan DiegoSan Francisco32
Sep 20, 2026ArrivedSan FranciscoChicago-12
Sep 20, 2026ArrivedSan DiegoSan Francisco20
Sep 19, 2026ArrivedSan FranciscoChicago33
Sep 19, 2026ArrivedSan DiegoSan Francisco-22
Sep 18, 2026ArrivedSan FranciscoChicago8
Sep 18, 2026ArrivedSan DiegoSan Francisco73
Sep 17, 2026ArrivedSan FranciscoChicago-7
Sep 17, 2026ArrivedSan DiegoSan Francisco26
Sep 16, 2026ArrivedSan FranciscoChicago28
Sep 15, 2026ArrivedSan FranciscoChicago-9
Sep 14, 2026ArrivedSan FranciscoChicago13
Sep 14, 2026ArrivedSan DiegoSan Francisco55
Sep 13, 2026ArrivedSan FranciscoChicago-44
Sep 12, 2026ArrivedSan FranciscoChicago-36
Sep 12, 2026ArrivedSan DiegoSan Francisco16
Sep 11, 2026ArrivedSan FranciscoChicago-23
Sep 10, 2026ArrivedSan FranciscoChicago-29
Sep 9, 2026ArrivedSan FranciscoChicago-33
Sep 8, 2026ArrivedSan FranciscoChicago-2
Sep 7, 2026ArrivedSan FranciscoChicago-24
Sep 7, 2026ArrivedSan DiegoSan Francisco85
Sep 6, 2026ArrivedSan FranciscoChicago-25
Sep 5, 2026ArrivedSan FranciscoChicago-47
Sep 5, 2026ArrivedSan DiegoSan Francisco-30
Sep 4, 2026ArrivedSan FranciscoChicago-58
Sep 4, 2026ArrivedSan DiegoSan Francisco92
Sep 3, 2026ArrivedSan FranciscoChicago-30
Sep 3, 2026ArrivedSan DiegoSan Francisco46
Sep 2, 2026ArrivedSan FranciscoChicago-35
Sep 1, 2026ArrivedSan FranciscoChicago-36
Sep 1, 2026CancelledSan DiegoNot availableNot available

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