UA2159 LAX → IAD

United Airlines · Los Angeles, CA to Washington, DC · 19 flights observed, 2025-12-18 to 2026-01-05 · 2,288 mi

UA2159 covers more than one route in the data window — the stats below are for LAX → IAD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
-9 min
90th percentile
+14 min
Cancellation rate
0%

How often is UA2159 on time?

Across 19 flights on LAX → IAD from 2025-12-18 to 2026-01-05, UA2159 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +14 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 min15%
31-60 min00%
61-120 min15%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121493%-5 min
2026-01580%+14 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue2100%
Wed2100%
Thu3100%
Fri3100%
Sat367%
Sun3100%

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