UA2317 · SFO → ORD

United Airlines · San Francisco to Chicago O'Hare · last 12 months · 103 flights tracked

45.5%on-time

UA2317 SFO→ORD: 45.5% on-time over 103 flights (last 12 months) — below average. It trails the route average (75.0%) by 29.5 points. Best day to fly: Fri (66.7%); worst: Wed (28.6%). Seasonality matters: May is the most reliable month (72.7%), Jul the worst (40.0%). Cancellation rate is 1.9% — have a backup plan. Average arrival delay: 37.7 minutes.

Data: US BTS, last 12 months.

37.7 minavg arrival delay

1.9%cancelled

0diverted

103flights tracked

Arrival delay distribution

Early/on time · 251–60 min · 5861–180 min · 15180+ min · 3

On-time by day of week

Mon

40.0%

Tue

35.7%

Wed

28.6%

Thu

42.9%

Fri

66.7%

Sat

64.3%

Sun

40.0%

On-time by month

72.7%

May

44.8%

Jun

40.0%

Jul

41.9%

Aug

← All flights on SFO–ORD