UA450 · SFO → IAD

United Airlines · San Francisco to Washington Dulles · last 12 months · 53 flights tracked

88.5%on-time

UA450 SFO→IAD: 88.5% on-time over 53 flights (last 12 months) — excellent. It beats the route average (83.0%) by 5.5 points. Seasonality matters: Jan is the most reliable month (96.0%), Dec the worst (75.0%). Cancellation rate is 1.9% — have a backup plan. Average arrival delay: 5.6 minutes.

Data: US BTS, last 12 months.

5.6 minavg arrival delay

1.9%cancelled

0diverted

53flights tracked

Arrival delay distribution

Early/on time · 431–60 min · 861–180 min · 1180+ min · 0

On-time by day of week

Mon

71.4%

Tue

77.8%

Wed

77.8%

Thu

100.0%

Fri

100.0%

Sat

100.0%

Sun

100.0%

On-time by month

75.0%

Dec

96.0%

Jan

90.9%

Feb

← All flights on SFO–IAD