UA5390 SacramentoSMF · 07:49 Los AngelesLAX · 09:29
UA5390 by United Airlines flies from Sacramento (SMF) to Los Angeles (LAX) for the Fri, Sep 18 departure.
departs SMF · on schedule
board checked 4m ago · checking again in 45s
⚖ UA5390 typically leaves +20 and lands −17. The air wins minutes back.Where the minutes go
last 7 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 operationmedian arrival −17 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SMF and LAX 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 Sacramento to Los Angeles flights today
same route · United AirlinesIf UA5390 is cancelled, these are the other United Airlines nonstop flights from Sacramento to Los Angeles on the same day, with scheduled departure times in SMF local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA5390 actually runs
Pro Flight Search has tracked every published board update for UA5390 across the SMF and LAX boards: schedule changes, gate pushes and actual clocks. Usually lands ~14 min early. Based on 13 confirmed landings · 11/13 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 UA5390 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: N87368, N86372, N639SY, N108SY.
Board clocks recorded as SMF and LAX published them.
Planning around UA5390? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA5390 Sacramento to Los Angeles on-time performance, measured from the SMF and LAX airport boards.
https://proflightsearch.com/flight/UA5390
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