UA1635 · IAD → ATL

United Airlines · Washington Dulles to Atlanta · last 12 months · 121 flights tracked

75.4%on-time

UA1635 IAD→ATL: 75.4% on-time over 121 flights (last 12 months) — solid. It trails the route average (78.0%) by 2.6 points. Best day to fly: Mon (92.9%); worst: Tue (57.1%). Seasonality matters: Apr is the most reliable month (95.2%), May the worst (66.7%). Cancellation rate is 2.5% — have a backup plan. Average arrival delay: 16.1 minutes.

Data: US BTS, last 12 months.

16.1 minavg arrival delay

2.5%cancelled

0diverted

121flights tracked

Arrival delay distribution

Early/on time · 741–60 min · 3361–180 min · 10180+ min · 1

On-time by day of week

Mon

92.9%

Tue

57.1%

Wed

68.4%

Thu

88.2%

Fri

66.7%

Sat

88.2%

Sun

68.4%

On-time by month

0.0%

Mar

95.2%

Apr

66.7%

May

79.3%

Jun

66.7%

Jul

80.0%

Aug

← All flights on IAD–ATL