UA343 · ORD → SFO

United Airlines · Chicago O'Hare to San Francisco · last 12 months · 197 flights tracked

74.7%on-time

UA343 ORD→SFO: 74.7% on-time over 197 flights (last 12 months) — average. It beats the route average (66.2%) by 8.5 points. Best day to fly: Tue (87.5%); worst: Sat (63.3%). Seasonality matters: Mar is the most reliable month (92.9%), Nov the worst (58.6%). Cancellation rate is 1.5% — have a backup plan. Average arrival delay: 18.2 minutes.

Data: US BTS, last 12 months.

18.2 minavg arrival delay

1.5%cancelled

0diverted

197flights tracked

Arrival delay distribution

Early/on time · 1251–60 min · 5061–180 min · 18180+ min · 1

On-time by day of week

Mon

79.3%

Tue

87.5%

Wed

78.3%

Thu

80.0%

Fri

70.0%

Sat

63.3%

Sun

67.9%

On-time by month

70.0%

Sep

73.3%

Oct

58.6%

Nov

66.7%

Dec

73.9%

Jan

91.7%

Feb

92.9%

Mar

← All flights on ORD–SFO