UA4790 BUR → SFO

United Airlines · Burbank, CA to San Francisco, CA · 18 flights observed, 2025-12-19 to 2026-01-05 · 326 mi

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

UA4790 covers more than one route in the data window — the stats below are for BUR → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
39%
Median delay
+31 min
90th percentile
+250 min
Cancellation rate
0%

How often is UA4790 on time?

Across 18 flights on BUR → SFO from 2025-12-19 to 2026-01-05, UA4790 arrived within 15 minutes of schedule 39% of the time. The median arrival delay was +31 min, and the worst 10% of flights arrived +250 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 min211%
31-60 min422%
61-120 min211%
2+ hrs317%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121338%+90 min
2026-01540%+33 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue250%
Wed2100%
Thu20%
Fri367%
Sat30%
Sun30%

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