UA1849 · SFO → IAD

United Airlines · San Francisco to Washington Dulles · last 12 months · 344 flights tracked

84.0%on-time

UA1849 SFO→IAD: 84.0% on-time over 344 flights (last 12 months) — solid. It beats the route average (83.0%) by 1.0 points. Best day to fly: Wed (89.8%); worst: Sat (79.2%). Seasonality matters: May is the most reliable month (100.0%), Aug the worst (50.0%). Cancellation rate is 1.7% — have a backup plan. Average arrival delay: 12.3 minutes.

Data: US BTS, last 12 months.

12.3 minavg arrival delay

1.7%cancelled

1diverted

344flights tracked

Arrival delay distribution

Early/on time · 2311–60 min · 8661–180 min · 16180+ min · 4

On-time by day of week

Mon

81.2%

Tue

87.8%

Wed

89.8%

Thu

81.2%

Fri

85.7%

Sat

79.2%

Sun

82.6%

On-time by month

70.0%

Sep

83.9%

Oct

82.8%

Nov

87.1%

Dec

86.7%

Jan

92.9%

Feb

92.6%

Mar

86.7%

Apr

100.0%

May

70.0%

Jun

80.6%

Jul

50.0%

Aug

← All flights on SFO–IAD