UA1831 · IAD → EWR

United Airlines · Washington Dulles to Newark · last 12 months · 210 flights tracked

56.9%on-time

UA1831 IAD→EWR: 56.9% on-time over 210 flights (last 12 months) — below average. Best day to fly: Sat (78.3%); worst: Sun (48.3%). Seasonality matters: Dec is the most reliable month (75.0%), Jul the worst (34.5%). Cancellation rate is 2.9% — have a backup plan. Average arrival delay: 65.4 minutes.

Data: US BTS, last 12 months.

65.4 minavg arrival delay

2.9%cancelled

0diverted

210flights tracked

Arrival delay distribution

Early/on time · 691–60 min · 9361–180 min · 19180+ min · 23

On-time by day of week

Mon

51.6%

Tue

56.7%

Wed

55.2%

Thu

56.7%

Fri

56.2%

Sat

78.3%

Sun

48.3%

On-time by month

75.0%

Dec

25.0%

Jan

57.1%

Feb

50.0%

Mar

70.0%

Apr

73.3%

May

60.0%

Jun

34.5%

Jul

48.1%

Aug

← All flights on IAD–EWR