UA511 · ORD → SFO

United Airlines · Chicago O'Hare to San Francisco · last 12 months · 154 flights tracked

61.4%on-time
UA511 ORD→SFO: 61.4% on-time over 154 flights (last 12 months) — below average. It trails the route average (66.2%) by 4.8 points. Best day to fly: Sat (77.8%); worst: Thu (34.8%). Seasonality matters: Mar is the most reliable month (74.1%), Jun the worst (51.9%). Average arrival delay: 32.7 minutes.
Data: US BTS, last 12 months.
32.7 minavg arrival delay
0.0%cancelled
1diverted
154flights tracked

Arrival delay distribution

Early/on time · 691–60 min · 5561–180 min · 23180+ min · 6

On-time by day of week

Mon
72.7%
Tue
68.2%
Wed
63.6%
Thu
34.8%
Fri
56.5%
Sat
77.8%
Sun
60.9%

On-time by month

74.1%
Mar
55.2%
Apr
55.6%
May
51.9%
Jun
64.5%
Jul
61.3%
Aug

← All flights on ORD–SFO