UA2107 · BOS → SFO

United Airlines · Boston to San Francisco · last 12 months · 92 flights tracked

53.9%on-time

UA2107 BOS→SFO: 53.9% on-time over 92 flights (last 12 months) — below average. It trails the route average (69.2%) by 15.3 points. Best day to fly: Sat (75.0%); worst: Thu (36.8%). Seasonality matters: May is the most reliable month (70.0%), Jun the worst (35.0%). Cancellation rate is 2.2% — have a backup plan. Average arrival delay: 30.7 minutes.

Data: US BTS, last 12 months.

30.7 minavg arrival delay

2.2%cancelled

1diverted

92flights tracked

Arrival delay distribution

Early/on time · 321–60 min · 4361–180 min · 12180+ min · 2

On-time by day of week

Mon

50.0%

Tue

50.0%

Wed

20.0%

Thu

36.8%

Fri

72.2%

Sat

75.0%

Sun

58.8%

On-time by month

100.0%

Mar

57.1%

Apr

70.0%

May

35.0%

Jun

57.9%

Jul

25.0%

Aug

← All flights on BOS–SFO