UA660 · ORD → SAN

United Airlines · Chicago O'Hare to San Diego · last 12 months · 365 flights tracked

82.2%on-time

UA660 ORD→SAN: 82.2% on-time over 365 flights (last 12 months) — solid. It beats the route average (70.5%) by 11.7 points. Best day to fly: Tue (90.4%); worst: Sun (75.0%). Seasonality matters: Feb is the most reliable month (96.4%), Dec the worst (64.5%). Average arrival delay: 12.6 minutes.

Data: US BTS, last 12 months.

12.6 minavg arrival delay

0.0%cancelled

0diverted

365flights tracked

Arrival delay distribution

Early/on time · 2431–60 min · 10161–180 min · 14180+ min · 7

On-time by day of week

Mon

83.0%

Tue

90.4%

Wed

86.5%

Thu

78.8%

Fri

78.8%

Sat

82.7%

Sun

75.0%

On-time by month

86.7%

Sep

74.2%

Oct

86.7%

Nov

64.5%

Dec

74.2%

Jan

96.4%

Feb

93.5%

Mar

80.0%

Apr

87.1%

May

90.0%

Jun

80.6%

Jul

74.2%

Aug

← All flights on ORD–SAN