AA2543 · SFO → ORD

American Airlines · San Francisco to Chicago O'Hare · last 12 months · 76 flights tracked

72.6%on-time

AA2543 SFO→ORD: 72.6% on-time over 76 flights (last 12 months) — average. It trails the route average (75.0%) by 2.4 points. Best day to fly: Sat (90.0%); worst: Thu (54.5%). Seasonality matters: Jun is the most reliable month (75.0%), Jul the worst (66.7%). Cancellation rate is 3.9% — have a backup plan. Average arrival delay: 21.1 minutes.

Data: US BTS, last 12 months.

21.1 minavg arrival delay

3.9%cancelled

0diverted

76flights tracked

Arrival delay distribution

Early/on time · 441–60 min · 2361–180 min · 4180+ min · 2

On-time by day of week

Mon

72.7%

Tue

81.8%

Wed

66.7%

Thu

54.5%

Fri

80.0%

Sat

90.0%

Sun

63.6%

On-time by month

72.7%

May

75.0%

Jun

66.7%

Jul

100.0%

Aug

← All flights on SFO–ORD