UA440 · BOS → SFO

United Airlines · Boston to San Francisco · last 12 months · 35 flights tracked

48.6%on-time

UA440 BOS→SFO: 48.6% on-time over 35 flights (last 12 months) — below average. It trails the route average (69.2%) by 20.6 points. Average arrival delay: 39.6 minutes.

Data: US BTS, last 12 months.

39.6 minavg arrival delay

0.0%cancelled

0diverted

35flights tracked

Arrival delay distribution

Early/on time · 101–60 min · 1661–180 min · 7180+ min · 2

On-time by day of week

Mon

40.0%

Tue

60.0%

Wed

40.0%

Thu

0.0%

Fri

40.0%

Sat

80.0%

Sun

80.0%

On-time by month

72.7%

May

37.5%

Jun

← All flights on BOS–SFO