UA777 ORD → LAS

United Airlines · Chicago, IL to Las Vegas, NV · 364 flights observed, 2025-07-01 to 2026-06-30 · 1,514 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -3 min, while the worst 10% run +61 min or later.

UA777 covers more than one route in the data window — the stats below are for ORD → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
76%
Median delay
-3 min
90th percentile
+61 min
Cancellation rate
1%

How often is UA777 on time?

Across 364 flights on ORD → LAS from 2025-07-01 to 2026-06-30, UA777 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +61 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time27376%
16-30 min278%
31-60 min236%
61-120 min175%
2+ hrs206%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073083%+4 min
2025-083073%+33 min
2025-093077%+7 min
2025-103177%+14 min
2025-112972%+18 min
2025-123177%+7 min
2026-013181%+7 min
2026-022886%-6 min
2026-033060%+31 min
2026-043083%+15 min
2026-053073%+8 min
2026-063067%+29 min

Performance by day of week

DayFlightsOn-time
Mon5267%
Tue5287%
Wed5279%
Thu5175%
Fri5176%
Sat5273%
Sun5074%

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