UA5259United Airlines · SMF → LAX
live · 39m ago
Route confirmed United Airlines

UA5259 SacramentoSMF · 16:05 Los AngelesLAX · 17:50

UA5259 by United Airlines flies from Sacramento (SMF) to Los Angeles (LAX) for the Sun, Sep 6 departure.

Right nowEn route to Los Angeles · off blocks 16:31 · 26 min late
En route

en route from SMF to LAX

En routeUA5259 · position estimated
SMFSacramentoLAXLos Angeles
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 16:31 · typical taxi-out at SMF ≈ 5.1 min.

⚖ UA5259 typically leaves +19 and lands −25. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-07
+26 gate · −16 arrival
09-06
+26 gate · −4 arrival
09-05
+7 gate · −34 arrival
09-04
+31 gate · −9 arrival
09-03
+8 gate · −35 arrival
08-31
+22 gate · −16 arrival
08-30
+17 gate · −25 arrival

The 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 operation

median arrival −25 min · 0 cancelled · 11 operations tracked

The route today

live boards
SMFSacramentoOn-time likelySMF delay board →
LAXLos AngelesOn-time likelyLAX delay board →
SMF→LAXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
0.8%Chance of cancellation
+6 minAvg hub delay right now

Conditions 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Sacramento to Los Angeles flights today

same route · United Airlines
UA5390departs 07:45
UA6021departs 10:14
UA5628departs 17:45

If UA5259 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 UA5259 actually runs

Pro Flight Search has tracked every published board update for UA5259 across the SMF and LAX boards: schedule changes, gate pushes and actual clocks. Usually lands ~23 min early. Based on 11 confirmed landings · 11/11 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 UA5259 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
09-07SMF 16:05 16:31 (+26)LAX 17:50 17:34 (−16)
09-06SMF 16:05 16:31 (+26)LAX 17:50 17:46 (−4)
09-05SMF 16:05 16:12 (+7)LAX 17:50 17:16 (−34)
09-04SMF 16:05 16:36 (+31)LAX 17:50 17:41 (−9)
09-03SMF 16:05 16:13 (+8)LAX 17:50 17:15 (−35)
08-31SMF 16:05 16:27 (+22)LAX 17:50 17:34 (−16)
08-30SMF 16:05 16:22 (+17)LAX 17:50 17:25 (−25)
08-29SMF 16:05 (+0)LAX 17:50 17:11 (−39)
08-28SMF 16:05 16:24 (+19)LAX 17:50 17:28 (−22)
08-27SMF 16:05 16:15 (+10)LAX 17:50 17:21 (−29)
08-24SMF LAX 17:50 17:22 (−28)

Aircraft

Recent tails: N606UX, N89362, N623UX, N85379.

Board clocks recorded as SMF and LAX 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 — UA5259 Sacramento to Los Angeles on-time performance, measured from the SMF and LAX airport boards.

Canonical URL
https://proflightsearch.com/flight/UA5259
How we measure this →