UA1597 LAX → SFO

United Airlines · Los Angeles, CA to San Francisco, CA · 18 flights observed, 2025-12-18 to 2026-01-05 · 337 mi

This flight has been on time less than half the time (39%) — expect a real chance of a delay.

UA1597 covers more than one route in the data window — the stats below are for LAX → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
39%
Median delay
+18 min
90th percentile
+80 min
Cancellation rate
0%

How often is UA1597 on time?

Across 18 flights on LAX → SFO from 2025-12-18 to 2026-01-05, UA1597 arrived within 15 minutes of schedule 39% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +80 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time739%
16-30 min317%
31-60 min528%
61-120 min211%
2+ hrs16%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121346%+18 min
2026-01520%+59 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue250%
Wed10%
Thu367%
Fri333%
Sat30%
Sun333%

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