UA4779United Airlines · RNO → SFO
live · 54m ago
Route confirmed United Airlines

UA4779 RenoRNO · 16:20 San FranciscoSFO · 17:46

UA4779 by United Airlines flies from Reno (RNO) to San Francisco (SFO) for the Thu, Aug 20 departure.

Right nowEn route to San Francisco · off blocks 16:51 · 31 min late
En route

en route from RNO to SFO

En routeUA4779 · position estimated
RNORenoSFOSan Francisco
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 16:51.

Typical gate push+31 minmedian posted departure
Typical arrival+3 minmedian over 5 operations
Wins back in air~28 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
08-21
+31 gate · +3 arrival
08-20
+31 gate · +3 arrival
08-19
+38 gate · +14 arrival
08-18
+19 gate · −8 arrival
08-17
+23 gate · −3 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 +3 min · 0 cancelled · 5 operations tracked

The route today

live boards
RNORenoModerate riskRNO delay board →
SFOSan FranciscoModerate riskSFO delay board →
RNO→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
54%Chance of 15+ min delay
1.9%Chance of cancellation
+17 minAvg hub delay right now

Conditions at RNO 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 departures
061422
M
T
W
T
F
S
S

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

Other Reno to San Francisco flights today

same route · United Airlines
UA1954departs 06:00
UA5627departs 06:00
UA5680departs 07:50
UA1921departs 07:55
UA2317departs 08:00
UA5899departs 11:38

If UA4779 is cancelled, these are the other United Airlines nonstop flights from Reno to San Francisco on the same day, with scheduled departure times in RNO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA4779 actually runs

Pro Flight Search has tracked every published board update for UA4779 across the RNO and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 5 confirmed landings · 5/5 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 UA4779 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
08-21RNO 16:20 16:51 (+31)SFO 17:46 17:49 (+3)
08-20RNO 16:20 16:51 (+31)SFO 17:46 17:49 (+3)
08-19RNO 16:20 16:58 (+38)SFO 17:46 18:00 (+14)
08-18RNO 16:20 16:39 (+19)SFO 17:46 17:38 (−8)
08-17RNO 16:20 16:43 (+23)SFO 17:46 17:43 (−3)

Aircraft

Recent tails: N205SY, N161SY, N206SY, N168SY.

Board clocks recorded as RNO and SFO 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 — UA4779 Reno to San Francisco on-time performance, measured from the RNO and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4779
How we measure this →