UA1556 New YorkEWR · 09:47 San JuanSJU · 13:45
UA1556 by United Airlines flies from New York (EWR) to San Juan (SJU) for the Thu, Oct 22 departure.
en route from EWR to SJU
board checked 15m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 09:43 · typical taxi-out at EWR ≈ 9.1 min. No receiver coverage over open ocean.
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operationmedian arrival −13 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at EWR and SJU 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other New York to San Juan flights today
same route · United AirlinesIf UA1556 is cancelled, these are the other United Airlines nonstop flights from New York to San Juan on the same day, with scheduled departure times in EWR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA1556 actually runs
Pro Flight Search has tracked every published board update for UA1556 across the EWR and SJU boards: schedule changes, gate pushes and actual clocks. Usually lands ~91 min late. Based on 12 confirmed landings · 6/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA1556 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N37531, N47462, N17414, N47569.
Board clocks recorded as EWR and SJU published them.
Planning around UA1556? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — UA1556 New York to San Juan on-time performance, measured from the EWR and SJU airport boards.
https://proflightsearch.com/flight/UA1556
.