UA2619United Airlines · SFO → ONT
live · 20m ago
Route confirmed United Airlines

UA2619 San FranciscoSFO · 16:40 OntarioONT · 18:11

UA2619 by United Airlines flies from San Francisco (SFO) to Ontario (ONT) for the Sun, Sep 6 departure.

Right nowLanded in Ontario · position data
18:11

arrived at ONT · on schedule

Typical gate push−3 minmedian posted departure
Typical arrival−5 minmedian over 3 operations
Wins back in air~2 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
09-06
−6 gate
09-04
+1 gate · −5 arrival
09-03
−3 gate · −10 arrival
09-02
−4 gate · +1 arrival

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

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
ONTOntarioOn-time likelyONT delay board →
SFO→ONTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
58%Chance of 15+ min delay
1.0%Chance of cancellation
+24 minAvg hub delay right now

Conditions at SFO and ONT 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 San Francisco to Ontario flights today

same route · United Airlines
UA2661departs 10:37
UA8261departs 10:37
UA411departs 14:10
UA2478departs 18:30
UA8202departs 18:30
UA8166departs 18:42

If UA2619 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Ontario on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA2619 actually runs

Pro Flight Search has tracked every published board update for UA2619 across the SFO and ONT boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 3 confirmed landings · 3/3 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA2619 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
09-06SFO 16:40 16:34 (−6)ONT 18:11
09-04SFO 16:40 16:41 (+1)ONT 18:11 18:06 (−5)
09-03SFO 16:40 16:37 (−3)ONT 18:11 18:01 (−10)
09-02SFO 16:45 16:41 (−4)ONT 18:16 18:17 (+1)

Aircraft

Recent tails: N14214, N62894, N27515.

Board clocks recorded as SFO and ONT 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 — UA2619 San Francisco to Ontario on-time performance, measured from the SFO and ONT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA2619
How we measure this →