UA1538 · MIA → IAD

United Airlines · Miami to Washington Dulles · last 12 months · 91 flights tracked

78.0%on-time

UA1538 MIA→IAD: 78.0% on-time over 91 flights (last 12 months) — solid. It trails the route average (84.4%) by 6.4 points. Best day to fly: Thu (92.9%); worst: Sun (53.8%). Seasonality matters: Apr is the most reliable month (93.1%), Mar the worst (58.1%). Average arrival delay: 18.7 minutes.

Data: US BTS, last 12 months.

18.7 minavg arrival delay

0.0%cancelled

0diverted

91flights tracked

Arrival delay distribution

Early/on time · 581–60 min · 2661–180 min · 5180+ min · 2

On-time by day of week

Mon

72.7%

Tue

90.9%

Wed

71.4%

Thu

92.9%

Fri

71.4%

Sat

92.9%

Sun

53.8%

On-time by month

82.4%

Feb

58.1%

Mar

93.1%

Apr

85.7%

May

← All flights on MIA–IAD