UA2099 SFO → LAS

United Airlines · San Francisco, CA to Las Vegas, NV · 19 flights observed, 2025-12-18 to 2026-01-05 · 414 mi

This flight has been getting less reliable recently — 2026-01's on-time rate (60%) is well below the 100% average from earlier months.

UA2099 covers more than one route in the data window — the stats below are for SFO → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
-2 min
90th percentile
+24 min
Cancellation rate
0%

How often is UA2099 on time?

Across 19 flights on SFO → LAS from 2025-12-18 to 2026-01-05, UA2099 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +24 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1789%
16-30 min00%
31-60 min00%
61-120 min211%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-1214100%-5 min
2026-01560%+31 min

Performance by day of week

DayFlightsOn-time
Mon3100%
Tue2100%
Wed2100%
Thu367%
Fri3100%
Sat3100%
Sun367%

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