UA5517 SEA → LAX

United Airlines · Seattle, WA to Los Angeles, CA · 19 flights observed, 2025-12-18 to 2026-01-05 · 954 mi

UA5517 covers more than one route in the data window — the stats below are for SEA → LAX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
+3 min
90th percentile
+26 min
Cancellation rate
0%

How often is UA5517 on time?

Across 19 flights on SEA → LAX from 2025-12-18 to 2026-01-05, UA5517 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +26 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1579%
16-30 min211%
31-60 min15%
61-120 min00%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121479%+12 min
2026-01580%+11 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue2100%
Wed250%
Thu367%
Fri3100%
Sat367%
Sun3100%

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