UA838 · NRT → SFO

United Airlines · Tokyo Narita to San Francisco · last 3 months · 84 flights tracked

54.4%on-time

UA838 NRT→SFO: 54.4% on-time over 84 flights (last 3 months) — below average. It beats the route average (53.8%) by 0.6 points. Best day to fly: Sat (72.7%); worst: Sun (50.0%). Seasonality matters: Oct is the most reliable month (77.8%), Aug the worst (37.9%). Cancellation rate is 6.0% — have a backup plan. Average arrival delay: 18.6 minutes.

Data: FlightAware, last 3 months.

18.6 minavg arrival delay

6.0%cancelled

0diverted

84flights tracked

Arrival delay distribution

Early/on time · 281–60 min · 4461–180 min · 5180+ min · 2

On-time by day of week

Mon

50.0%

Tue

54.5%

Wed

50.0%

Thu

54.5%

Fri

50.0%

Sat

72.7%

Sun

50.0%

On-time by month

20.0%

Jul

37.9%

Aug

63.0%

Sep

77.8%

Oct

← All flights on NRT–SFO