UA688 · IAD → BOS

United Airlines · Washington Dulles to Boston · last 12 months · 362 flights tracked

61.4%on-time

UA688 IAD→BOS: 61.4% on-time over 362 flights (last 12 months) — below average. It trails the route average (76.9%) by 15.5 points. Best day to fly: Sat (79.2%); worst: Sun (52.1%). Seasonality matters: Jan is the most reliable month (82.1%), Sep the worst (31.0%). Cancellation rate is 3.3% — have a backup plan. Average arrival delay: 31.7 minutes.

Data: US BTS, last 12 months.

31.7 minavg arrival delay

3.3%cancelled

0diverted

362flights tracked

Arrival delay distribution

Early/on time · 1571–60 min · 12761–180 min · 55180+ min · 11

On-time by day of week

Mon

54.0%

Tue

58.8%

Wed

62.7%

Thu

56.9%

Fri

66.7%

Sat

79.2%

Sun

52.1%

On-time by month

31.0%

Sep

41.9%

Oct

60.7%

Nov

69.0%

Dec

82.1%

Jan

80.0%

Feb

72.4%

Mar

56.7%

Apr

64.5%

May

51.7%

Jun

66.7%

Jul

64.5%

Aug

← All flights on IAD–BOS