UA521 · BOS → EWR

United Airlines · Boston to Newark · last 12 months · 121 flights tracked

54.9%on-time

UA521 BOS→EWR: 54.9% on-time over 121 flights (last 12 months) — below average. It trails the route average (75.7%) by 20.8 points. Best day to fly: Wed (66.7%); worst: Tue (45.5%). Seasonality matters: Feb is the most reliable month (90.0%), Oct the worst (32.0%). Cancellation rate is 6.6% — have a backup plan. Average arrival delay: 41.0 minutes.

Data: US BTS, last 12 months.

41.0 minavg arrival delay

6.6%cancelled

0diverted

121flights tracked

Arrival delay distribution

Early/on time · 481–60 min · 3861–180 min · 23180+ min · 4

On-time by day of week

Mon

60.0%

Tue

45.5%

Wed

66.7%

Thu

52.9%

Fri

52.6%

Sun

50.0%

On-time by month

45.8%

Sep

32.0%

Oct

66.7%

Nov

38.5%

Dec

75.0%

Jan

90.0%

Feb

← All flights on BOS–EWR