UA857 · SFO → PVG

United Airlines · San Francisco to Shanghai Pudong · last 3 months · 84 flights tracked

74.4%on-time

UA857 SFO→PVG: 74.4% on-time over 84 flights (last 3 months) — average. Best day to fly: Thu (91.7%); worst: Sun (58.3%). Seasonality matters: Sep is the most reliable month (83.3%), Oct the worst (55.6%). Cancellation rate is 2.4% — have a backup plan. Average arrival delay: 2.1 minutes.

Data: FlightAware, last 3 months.

2.1 minavg arrival delay

2.4%cancelled

0diverted

84flights tracked

Arrival delay distribution

Early/on time · 481–60 min · 2561–180 min · 7180+ min · 2

On-time by day of week

Mon

66.7%

Tue

83.3%

Wed

75.0%

Thu

91.7%

Fri

63.6%

Sat

81.8%

Sun

58.3%

On-time by month

80.0%

Jul

75.9%

Aug

83.3%

Sep

55.6%

Oct

← All flights on SFO–PVG