UA2400 · BOS → SFO

United Airlines · Boston to San Francisco · last 12 months · 310 flights tracked

51.1%on-time

UA2400 BOS→SFO: 51.1% on-time over 310 flights (last 12 months) — below average. It trails the route average (69.2%) by 18.1 points. Best day to fly: Sat (73.0%); worst: Mon (36.2%). Seasonality matters: Dec is the most reliable month (70.4%), Jun the worst (25.0%). Cancellation rate is 1.6% — have a backup plan. Average arrival delay: 39.1 minutes.

Data: US BTS, last 12 months.

39.1 minavg arrival delay

1.6%cancelled

0diverted

310flights tracked

Arrival delay distribution

Early/on time · 1081–60 min · 13361–180 min · 52180+ min · 12

On-time by day of week

Mon

36.2%

Tue

59.5%

Wed

61.4%

Thu

36.4%

Fri

42.2%

Sat

73.0%

Sun

54.3%

On-time by month

56.7%

Sep

50.0%

Oct

63.3%

Nov

70.4%

Dec

25.0%

Jan

66.7%

Feb

67.7%

Mar

63.3%

Apr

45.2%

May

25.0%

Jun

30.8%

Jul

26.1%

Aug

← All flights on BOS–SFO