UA2647 · SFO → BOS

United Airlines · San Francisco to Boston · last 12 months · 335 flights tracked

81.8%on-time

UA2647 SFO→BOS: 81.8% on-time over 335 flights (last 12 months) — solid. It beats the route average (74.5%) by 7.3 points. Best day to fly: Wed (87.2%); worst: Thu (75.5%). Seasonality matters: Jan is the most reliable month (90.0%), Oct the worst (58.1%). Average arrival delay: 16.8 minutes.

Data: US BTS, last 12 months.

16.8 minavg arrival delay

1.2%cancelled

1diverted

335flights tracked

Arrival delay distribution

Early/on time · 2261–60 min · 6961–180 min · 29180+ min · 6

On-time by day of week

Mon

79.6%

Tue

80.9%

Wed

87.2%

Thu

75.5%

Fri

81.6%

Sat

85.7%

Sun

83.0%

On-time by month

71.4%

Sep

58.1%

Oct

90.0%

Nov

83.9%

Dec

90.0%

Jan

74.1%

Feb

77.4%

Mar

83.3%

Apr

83.9%

May

89.7%

Jun

84.0%

Jul

86.2%

Aug

← All flights on SFO–BOS