UA872United Airlines · TPE → SFO
live · 44m ago
Route confirmed United Airlines

UA872 TaipeiTPE · 09:50 San FranciscoSFO · 06:35

UA872 by United Airlines flies from Taipei (TPE) to San Francisco (SFO) for the Sun, Oct 18 departure.

Right nowLanded in San Francisco · today
06:08

arrived at SFO · 27 min early

Typical gate push−7 minmedian posted departure
Typical arrival−27 minmedian over 7 operations
Wins back in air~20 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-18
−1 gate · −27 arrival
10-17
−9 gate · −50 arrival
10-16
−9 gate · −39 arrival
10-15
−14 gate · −45 arrival
10-14
−9 gate · +22 arrival
10-13
−7 gate · +1 arrival
10-12
+3 gate · −1 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −27 min · 0 cancelled · 8 operations tracked

The route today

live boards
TPETaipeiOn-time likelyTPE delay board →
SFOSan FranciscoHigh riskSFO delay board →
TPE→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
52%Chance of 15+ min delay
2.3%Chance of cancellation
+16 minAvg hub delay right now

Conditions at TPE and SFO are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Taipei to San Francisco flights today

same route · United Airlines
UA852departs 14:30

If UA872 is cancelled, this is the other United Airlines nonstop flight from Taipei to San Francisco on the same day, with scheduled departure times in TPE local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA872 actually runs

Pro Flight Search has tracked every published board update for UA872 across the TPE and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~27 min early. Based on 7 confirmed landings · 6/7 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how UA872 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-18TPE 09:50 09:49 (−1)SFO 06:35 06:08 (−27)
10-17TPE 09:50 09:41 (−9)SFO 06:35 05:45 (−50)
10-16TPE 09:50 09:41 (−9)SFO 06:35 05:56 (−39)
10-15TPE 09:50 09:36 (−14)SFO 06:35 05:50 (−45)
10-14TPE 09:50 09:41 (−9)SFO 06:35 06:57 (+22)
10-13TPE 09:50 09:43 (−7)SFO 06:35 06:36 (+1)
10-12TPE 09:50 09:53 (+3)SFO 06:35 06:34 (−1)
10-11TPE 09:50 09:48 (−2)SFO 06:35

Aircraft

Recent tails: N2644U.

Board clocks recorded as TPE and SFO published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — UA872 Taipei to San Francisco on-time performance, measured from the TPE and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA872
How we measure this →