UA5583 TucsonTUS · 12:30 San FranciscoSFO · 14:54
UA5583 by United Airlines flies from Tucson (TUS) to San Francisco (SFO) for the Tue, Sep 15 departure.
arrived at SFO · 7 min early
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at TUS 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Tucson to San Francisco flights today
same route · United AirlinesIf UA5583 is cancelled, these are the other United Airlines nonstop flights from Tucson to San Francisco on the same day, with scheduled departure times in TUS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA5583 actually runs
Pro Flight Search has tracked every published board update for UA5583 across the TUS and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA5583 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N86375, N602UX.
Board clocks recorded as TUS and SFO published them.
Planning around UA5583? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA5583 Tucson to San Francisco on-time performance, measured from the TUS and SFO airport boards.
https://proflightsearch.com/flight/UA5583
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