UA311 · BOS → LAX

United Airlines · Boston to Los Angeles · last 12 months · 185 flights tracked

81.1%on-time

UA311 BOS→LAX: 81.1% on-time over 185 flights (last 12 months) — solid. It beats the route average (73.7%) by 7.4 points. Best day to fly: Fri (88.9%); worst: Sat (73.1%). Seasonality matters: Oct is the most reliable month (93.5%), Dec the worst (67.7%). Cancellation rate is 2.7% — have a backup plan. Average arrival delay: 11.5 minutes.

Data: US BTS, last 12 months.

11.5 minavg arrival delay

2.7%cancelled

0diverted

185flights tracked

Arrival delay distribution

Early/on time · 1101–60 min · 6561–180 min · 4180+ min · 1

On-time by day of week

Mon

73.9%

Tue

88.0%

Wed

76.9%

Thu

81.5%

Fri

88.9%

Sat

73.1%

Sun

84.6%

On-time by month

100.0%

Sep

93.5%

Oct

83.3%

Nov

67.7%

Dec

86.2%

Jan

68.0%

Feb

82.1%

Mar

← All flights on BOS–LAX