UA1631United Airlines · EWR → LAS
live · 34m ago
Route confirmed United Airlines

UA1631 New YorkEWR · 08:37 Las VegasLAS · 11:09

UA1631 by United Airlines flies from New York (EWR) to Las Vegas (LAS) for the Mon, Sep 7 departure.

Right nowAwaiting arrival in Las Vegas · off blocks 08:28 · 9 min early
10:43

estimated arrival at LAS · local time · past this estimate · waiting on the board

En routeUA1631 · position estimated
EWRNew YorkLASLas Vegas
Estimated from the boardsarr 10:43

Board estimate · gate and arrival times. Off blocks 08:28 · typical taxi-out at EWR ≈ 10.8 min. No receiver coverage over open ocean.

Typical gate push−9 minmedian posted departure
Typical arrival−26 minmedian over 3 operations
Wins back in air~17 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
09-08
−9 gate · −26 arrival
09-07
−9 gate · −26 arrival
09-06
−8 gate · −25 arrival
09-05
−12 gate

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
EWRNew YorkOn-time likelyEWR delay board →
LASLas VegasOn-time likelyLAS delay board →
EWR→LASevery 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
2.4%Chance of cancellation
+8 minAvg hub delay right now

Conditions at EWR and LAS 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 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 Las Vegas flights today

same route · United Airlines
UA2147departs 06:07
UA446departs 10:55
UA1864departs 11:55
UA2387departs 14:25
UA1846departs 16:25
UA1283departs 20:20

If UA1631 is cancelled, these are the other United Airlines nonstop flights from New York to Las Vegas 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 UA1631 actually runs

Pro Flight Search has tracked every published board update for UA1631 across the EWR and LAS boards: schedule changes, gate pushes and actual clocks. Usually departs ~9 min early. Based on 4 confirmed departures · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA1631 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-08EWR 08:37 08:28 (−9)LAS 11:09 10:43 (−26)
09-07EWR 08:37 08:28 (−9)LAS 11:09 10:43 (−26)
09-06EWR 08:50 08:42 (−8)LAS 11:23 10:58 (−25)
09-05EWR 08:37 08:25 (−12)LAS

Board clocks recorded as EWR and LAS published them.

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 — UA1631 New York to Las Vegas on-time performance, measured from the EWR and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1631
How we measure this →