UA1731 LAS → EWR

United Airlines · Las Vegas, NV to Newark, NJ · 62 flights observed, 2026-04-30 to 2026-06-30 · 2,227 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 56% on Thursdays.

UA1731 covers more than one route in the data window — the stats below are for LAS → EWR, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
83%
Median delay
-9 min
90th percentile
+85 min
Cancellation rate
0%

How often is UA1731 on time?

Across 62 flights on LAS → EWR from 2026-04-30 to 2026-06-30, UA1731 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +85 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time5083%
16-30 min35%
31-60 min00%
61-120 min23%
2+ hrs58%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0410%+205 min
2026-053097%-16 min
2026-062972%+19 min

Performance by day of week

DayFlightsOn-time
Mon978%
Tue9100%
Wed786%
Thu956%
Fri978%
Sat8100%
Sun989%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…