UA2051 PIT → SFO

United Airlines · Pittsburgh, PA to San Francisco, CA · 49 flights observed, 2025-07-01 to 2025-08-18 · 2,254 mi

This flight's reliability varies a lot by day of week — 100% on-time on Saturdays vs. 43% on Mondays.

UA2051 covers more than one route in the data window — the stats below are for PIT → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
78%
Median delay
+1 min
90th percentile
+28 min
Cancellation rate
0%

How often is UA2051 on time?

Across 49 flights on PIT → SFO from 2025-07-01 to 2025-08-18, UA2051 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +28 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3878%
16-30 min714%
31-60 min00%
61-120 min24%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073177%+10 min
2025-081878%+6 min

Performance by day of week

DayFlightsOn-time
Mon743%
Tue786%
Wed757%
Thu786%
Fri771%
Sat7100%
Sun7100%

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