UA1558United Airlines · EWR → SFO
live · 16m ago
Route confirmed United Airlines

UA1558 New YorkEWR San FranciscoSFO

UA1558 by United Airlines flies from New York (EWR) to San Francisco (SFO).

Right nowNext departure tomorrow Operates daily
16:20

scheduled from EWR

The route today

live boards
EWRNew YorkOn-time likelyEWR delay board →
SFOSan FranciscoOn-time likelySFO delay board →
EWR→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
2.6%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at EWR 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 EWR

Forecast

Tue 3 Nov, local date

High21°Clikely 19°C to 22°C
Low9°Clikely 7°C to 11°C

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

Tue 3 Nov, local date

High19°Clikely 17°C to 20°C
Low12°Clikely 11°C to 14°C
  • 74% 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.

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 New York to San Francisco flights today

same route · United Airlines
UA648departs 06:00
UA1180departs 07:25
UA1777departs 08:25
UA1593departs 09:30
UA548departs 10:30
UA1914departs 11:40

If UA1558 is cancelled, these are the other United Airlines nonstop flights from New York to San Francisco on the same day, with scheduled departure times in EWR 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 UA1558 actually runs

Pro Flight Search has tracked every published board update for UA1558 across the EWR 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 EWR and SFO.

The verdict above is that record speaking, so it reflects how UA1558 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around UA1558? 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: UA1558 New York to San Francisco on-time performance, measured from the EWR and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1558
How we measure this →