UA2100 PhoenixPHX · 08:49 San DiegoSAN
UA2100 by United Airlines flies from Phoenix (PHX) to San Diego (SAN) for the Sat, Oct 17 departure.
departs PHX · on schedule
board checked 45m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PHX 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 Phoenix to San Diego flights today
same route · United AirlinesIf UA2100 is cancelled, these are the other United Airlines nonstop flights from Phoenix to San Diego on the same day, with scheduled departure times in PHX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA2100 actually runs
Pro Flight Search has tracked every published board update for UA2100 across the PHX and SAN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +57 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how UA2100 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 PHX and SAN published them.
Planning around UA2100? 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 — UA2100 Phoenix to San Diego on-time performance, measured from the PHX and SAN airport boards.
https://proflightsearch.com/flight/UA2100
.