UA2858 New YorkEWR · 16:35 San DiegoSAN · 18:53
UA2858 by United Airlines flies from New York (EWR) to San Diego (SAN) for the Tue, Sep 8 departure.
Same number through EWR → PHX → SAN
arrival expected at SAN · on schedule
board checked 43m ago · checking again in 45s
Where the minutes go
last 5 operations · gate push → arrivalThe 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 operation0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at EWR and SAN 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to San Diego flights today
same route · United AirlinesIf UA2858 is cancelled, these are the other United Airlines nonstop flights from New York to San Diego on the same day, with scheduled departure times in EWR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA2858 actually runs
Pro Flight Search has tracked every published board update for UA2858 across the EWR and SAN boards: schedule changes, gate pushes and actual clocks. Usually lands ~36 min early. Based on 3 confirmed landings · 3/3 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 UA2858 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as EWR and SAN published them.
Planning around UA2858? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA2858 New York to San Diego on-time performance, measured from the EWR and SAN airport boards.
https://proflightsearch.com/flight/UA2858
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