UA505 ORD → SFO

United Airlines · Chicago, IL to San Francisco, CA · 19 flights observed, 2025-12-18 to 2026-01-05 · 1,846 mi

This flight has been on time less than half the time (26%) — expect a real chance of a delay.

UA505 covers more than one route in the data window — the stats below are for ORD → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
26%
Median delay
+53 min
90th percentile
+147 min
Cancellation rate
0%

How often is UA505 on time?

Across 19 flights on ORD → SFO from 2025-12-18 to 2026-01-05, UA505 arrived within 15 minutes of schedule 26% of the time. The median arrival delay was +53 min, and the worst 10% of flights arrived +147 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time526%
16-30 min15%
31-60 min526%
61-120 min316%
2+ hrs526%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121436%+52 min
2026-0150%+94 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue20%
Wed20%
Thu333%
Fri30%
Sat333%
Sun333%

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