UA2145United Airlines · ORD → SMF
live · 2m ago
Route confirmed United Airlines

UA2145 ChicagoORD · 09:09 SacramentoSMF · 11:51

UA2145 by United Airlines flies from Chicago (ORD) to Sacramento (SMF) for the Sat, Sep 19 departure.

Right nowIn the air to Sacramento · off blocks 11:20 · 131 min late
13:35

estimated arrival at SMF · local time · ~1h 49m from now

LivePosition · updated 2m ago
SMF877 mi · ~1h 49m leftORD
36,000 ftAltitudecruising
510 mphSpeed443 kt
262°Direction

Live position · flown path, last 2h 4m

Typical gate push−2 minmedian posted departure
Typical arrival+10 minmedian over 7 operations

Where the minutes go

last 7 operations · gate push → arrival
0+44+87+131 min
09-19
+131 gate · +104 arrival
09-18
−2 gate · −15 arrival
09-17
−3 gate · −16 arrival
09-16
+4 gate · +19 arrival
09-15
−2 gate · +10 arrival
09-14
+0 gate · +65 arrival
09-13
−4 gate · +7 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 +10 min · 0 cancelled · 7 operations tracked

The route today

live boards
ORDChicagoHigh riskORD delay board →
SMFSacramentoOn-time likelySMF delay board →
ORD→SMFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
0.5%Chance of cancellation
+12 minAvg hub delay right now

Conditions at ORD and SMF 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 Chicago to Sacramento flights today

same route · United Airlines
UA1920departs 15:40
UA734departs 20:08

If UA2145 is cancelled, these are the other United Airlines nonstop flights from Chicago to Sacramento on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA2145 actually runs

Pro Flight Search has tracked every published board update for UA2145 across the ORD and SMF boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min late. Based on 6 confirmed landings · 4/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA2145 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
09-19ORD 09:09 11:20 (+131)SMF 11:51 13:35 (+104)
09-18ORD 09:09 09:07 (−2)SMF 11:51 11:36 (−15)
09-17ORD 09:09 09:06 (−3)SMF 11:51 11:35 (−16)
09-16ORD 09:09 09:13 (+4)SMF 11:51 12:10 (+19)
09-15ORD 09:09 09:07 (−2)SMF 11:51 12:01 (+10)
09-14ORD 09:09 (+0)SMF 11:51 12:56 (+65)
09-13ORD 09:09 09:05 (−4)SMF 11:51 11:58 (+7)

Aircraft

Recent tails: N17477, N47450, N17448, N17455.

Board clocks recorded as ORD and SMF 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 — UA2145 Chicago to Sacramento on-time performance, measured from the ORD and SMF airport boards.

Canonical URL
https://proflightsearch.com/flight/UA2145
How we measure this →