UA1731 Las VegasLAS · 12:34 New YorkEWR · 20:35
UA1731 by United Airlines flies from Las Vegas (LAS) to New York (EWR) for the Mon, Aug 17 departure.
departs LAS · 41 min late
board checked 16m ago · checking again in 45s
⚖ UA1731 typically leaves +55 and lands +25. The air wins minutes back.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 +25 min · 0 cancelled · 15 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by EWR (New York), currently flying MVFR (marginal visual). 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 Las Vegas to New York flights today
same route · United AirlinesIf UA1731 is cancelled, these are the other United Airlines nonstop flights from Las Vegas to New York on the same day, with scheduled departure times in LAS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA1731 actually runs
Pro Flight Search has tracked every published board update for UA1731 across the LAS and EWR boards: schedule changes, gate pushes and actual clocks. Usually lands ~28 min late. Based on 13 confirmed landings · 4/13 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 UA1731 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: N17315, N17272, N37372, N17294.
Board clocks recorded as LAS and EWR published them.
Planning around UA1731? 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 — UA1731 Las Vegas to New York on-time performance, measured from the LAS and EWR airport boards.
https://proflightsearch.com/flight/UA1731
.