UA1777 · SFO → ORD

United Airlines · San Francisco to Chicago O'Hare · last 12 months · 106 flights tracked

44.2%on-time

UA1777 SFO→ORD: 44.2% on-time over 106 flights (last 12 months) — below average. It trails the route average (75.0%) by 30.8 points. Best day to fly: Sun (71.4%); worst: Mon (25.0%). Seasonality matters: Jul is the most reliable month (48.4%), Aug the worst (30.0%). Average arrival delay: 43.7 minutes.

Data: US BTS, last 12 months.

43.7 minavg arrival delay

0.0%cancelled

2diverted

106flights tracked

Arrival delay distribution

Early/on time · 261–60 min · 5861–180 min · 13180+ min · 7

On-time by day of week

Mon

25.0%

Tue

46.7%

Wed

50.0%

Thu

46.7%

Fri

33.3%

Sat

40.0%

Sun

71.4%

On-time by month

0.0%

Mar

0.0%

Apr

48.4%

May

43.3%

Jun

48.4%

Jul

30.0%

Aug

← All flights on SFO–ORD