UA1791 · SFO → IAD

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

68.6%on-time

UA1791 SFO→IAD: 68.6% on-time over 121 flights (last 12 months) — average. It trails the route average (83.0%) by 14.4 points. Best day to fly: Fri (77.8%); worst: Thu (61.1%). Seasonality matters: Jul is the most reliable month (80.6%), Aug the worst (42.9%). Average arrival delay: 22.5 minutes.

Data: US BTS, last 12 months.

22.5 minavg arrival delay

0.0%cancelled

0diverted

121flights tracked

Arrival delay distribution

Early/on time · 591–60 min · 4861–180 min · 13180+ min · 1

On-time by day of week

Mon

61.1%

Tue

71.4%

Wed

70.6%

Thu

61.1%

Fri

77.8%

Sat

61.1%

Sun

77.8%

On-time by month

100.0%

Apr

71.0%

May

76.7%

Jun

80.6%

Jul

42.9%

Aug

← All flights on SFO–IAD