UA521 · ATL → IAH

United Airlines · Atlanta to Houston · last 12 months · 88 flights tracked

83.0%on-time

UA521 ATL→IAH: 83.0% on-time over 88 flights (last 12 months) — solid. It beats the route average (76.9%) by 6.1 points. Best day to fly: Mon (92.3%); worst: Sat (72.7%). Seasonality matters: Feb is the most reliable month (94.1%), May the worst (64.7%). Average arrival delay: 17.6 minutes.

Data: US BTS, last 12 months.

17.6 minavg arrival delay

0.0%cancelled

0diverted

88flights tracked

Arrival delay distribution

Early/on time · 621–60 min · 1861–180 min · 5180+ min · 3

On-time by day of week

Mon

92.3%

Tue

84.6%

Wed

76.9%

Thu

92.3%

Fri

76.9%

Sat

72.7%

Sun

83.3%

On-time by month

94.1%

Feb

85.7%

Mar

84.0%

Apr

64.7%

May

100.0%

Jun

← All flights on ATL–IAH