UA1503 · SEA → ORD

United Airlines · Seattle to Chicago O'Hare · last 12 months · 81 flights tracked

82.1%on-time

UA1503 SEA→ORD: 82.1% on-time over 81 flights (last 12 months) — solid. It beats the route average (76.7%) by 5.4 points. Best day to fly: Sun (100.0%); worst: Wed (45.5%). Seasonality matters: May is the most reliable month (100.0%), Jul the worst (75.9%). Average arrival delay: 18.9 minutes.

Data: US BTS, last 12 months.

18.9 minavg arrival delay

1.2%cancelled

2diverted

81flights tracked

Arrival delay distribution

Early/on time · 541–60 min · 1861–180 min · 4180+ min · 2

On-time by day of week

Mon

90.9%

Tue

90.9%

Wed

45.5%

Thu

72.7%

Fri

91.7%

Sat

81.8%

Sun

100.0%

On-time by month

100.0%

May

76.7%

Jun

75.9%

Jul

80.0%

Aug

← All flights on SEA–ORD