UA5415United Airlines · SEA → SFO
live · 6m ago
Route confirmed United Airlines

UA5415 SeattleSEA San FranciscoSFO

UA5415 by United Airlines flies from Seattle (SEA) to San Francisco (SFO).

Right nowNext departure today Operates daily
17:45

scheduled from SEA

The route today

live boards
SEASeattleOn-time likelySEA delay board →
SFOSan FranciscoOn-time likelySFO delay board →
SEA→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
38%Chance of 15+ min delay
1.1%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at SEA and SFO 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 at SEA

Forecast

Fri 13 Nov, local date

High14°Clikely 13°C to 16°C
Low10°Clikely 8°C to 12°C
  • 91% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at SFO

Forecast

Fri 13 Nov, local date

High17°Clikely 16°C to 19°C
Low13°Clikely 12°C to 15°C
  • 97% chance of rain
  • Gusts to 30 kt

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Seattle to San Francisco flights today

same route · United Airlines
UA499departs 07:00
UA3925departs 09:00
UA1372departs 09:05
UA3926departs 10:30
UA737departs 10:40
UA2416departs 13:16

If UA5415 is cancelled, these are the other United Airlines nonstop flights from Seattle to San Francisco on the same day, with scheduled departure times in SEA 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 UA5415 actually runs

Pro Flight Search has tracked every published board update for UA5415 across the SEA and SFO boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SEA and SFO.

The verdict above is that record speaking, so it reflects how UA5415 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA5415? 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: UA5415 Seattle to San Francisco on-time performance, measured from the SEA and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA5415
How we measure this →