UA2356 · SFO → BOS

United Airlines · San Francisco to Boston · last 12 months · 328 flights tracked

63.0%on-time

UA2356 SFO→BOS: 63.0% on-time over 328 flights (last 12 months) — below average. It trails the route average (74.5%) by 11.5 points. Best day to fly: Sat (76.6%); worst: Fri (57.4%). Seasonality matters: Feb is the most reliable month (92.9%), Sep the worst (26.7%). Average arrival delay: 31.7 minutes.

Data: US BTS, last 12 months.

31.7 minavg arrival delay

0.9%cancelled

1diverted

328flights tracked

Arrival delay distribution

Early/on time · 1671–60 min · 10661–180 min · 39180+ min · 12

On-time by day of week

Mon

60.9%

Tue

62.2%

Wed

58.7%

Thu

63.8%

Fri

57.4%

Sat

76.6%

Sun

60.9%

On-time by month

26.7%

Sep

45.2%

Oct

73.3%

Nov

80.6%

Dec

60.0%

Jan

92.9%

Feb

61.3%

Mar

60.0%

Apr

54.8%

May

73.3%

Jun

71.0%

Jul

67.7%

Aug

← All flights on SFO–BOS