UA558 · DEN → BOS

United Airlines · Denver to Boston · last 12 months · 337 flights tracked

91.9%on-time

UA558 DEN→BOS: 91.9% on-time over 337 flights (last 12 months) — excellent. It beats the route average (69.6%) by 22.3 points. Seasonality matters: Aug is the most reliable month (100.0%), Oct the worst (71.0%). Average arrival delay: 4.6 minutes.

Data: US BTS, last 12 months.

4.6 minavg arrival delay

0.6%cancelled

2diverted

337flights tracked

Arrival delay distribution

Early/on time · 2791–60 min · 5061–180 min · 3180+ min · 1

On-time by day of week

Mon

94.1%

Tue

91.1%

Wed

89.6%

Thu

90.0%

Fri

96.1%

Sat

94.4%

Sun

88.5%

On-time by month

86.7%

Sep

71.0%

Oct

88.5%

Nov

91.7%

Dec

95.0%

Jan

100.0%

Feb

83.9%

Mar

93.3%

Apr

96.8%

May

96.7%

Jun

96.8%

Jul

100.0%

Aug

← All flights on DEN–BOS