UA1815United Airlines · SFO → BNA
live · 2m ago
Route confirmed United Airlines

UA1815 San FranciscoSFO · 23:59 NashvilleBNA · 06:30

UA1815 by United Airlines flies from San Francisco (SFO) to Nashville (BNA).

Right nowIn the air to Nashville
09:33

estimated arrival at BNA · local time · ~53 min from now

LivePosition · updated 2m ago
SFO392 mi · ~53 min leftBNA
34,000 ftAltitudecruising
501 mphSpeed435 kt
298°Direction

Live position · flown path, last 1h 38m

Typical gate push+24 minmedian posted departure
Typical arrival−36 minmedian over 4 operations
Wins back in air~60 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-30
+25 gate · −36 arrival
10-23
+25 gate · +19 arrival
10-22
+23 gate · −36 arrival
10-21
−5 gate · −36 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
SFOSan FranciscoOn-time likelySFO delay board →
BNANashvilleModerate riskBNA delay board →
SFO→BNAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
45%Chance of 15+ min delay
1.4%Chance of cancellation
+12 minTypical airport delay in this weather

Conditions at SFO and BNA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

San Francisco to Nashville with United Airlines · Sat 31 Oct, local date

Outlook: about usual
Chance a departure is cancelled
0.2%1.7× usual
Chance a departure leaves 60+ min late
6.2%0.7× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 San Francisco to Nashville flights today

same route · United Airlines
UA499departs 10:50
UA488departs 12:40
UA433departs 14:25
UA2262departs 16:25
UA1291departs 18:25

If UA1815 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Nashville on the same day, with scheduled departure times in SFO local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA1815 actually runs

Pro Flight Search has tracked every published board update for UA1815 across the SFO and BNA boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min late. Based on 4 confirmed landings · 1/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA1815 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
10-30SFO 23:59 00:24 (+25)BNA 06:30 05:54 (−36)
10-23SFO 23:59 00:24 (+25)BNA 06:30 06:49 (+19)
10-22SFO 23:59 00:22 (+23)BNA 06:30 05:54 (−36)
10-21SFO 23:59 23:54 (−5)BNA 06:30 05:54 (−36)

Aircraft

Recent tails: N47462, N47505, N17461.

Board clocks recorded as SFO and BNA published them.

Planning around UA1815? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: UA1815 San Francisco to Nashville on-time performance, measured from the SFO and BNA airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1815
How we measure this →