AA2550 · SFO → ORD

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

33.8%on-time

AA2550 SFO→ORD: 33.8% on-time over 76 flights (last 12 months) — below average. It trails the route average (75.0%) by 41.2 points. Best day to fly: Sat (63.6%); worst: Thu (18.2%). Seasonality matters: Jul is the most reliable month (40.0%), May the worst (18.2%). Cancellation rate is 2.6% — have a backup plan. Average arrival delay: 73.1 minutes.

Data: US BTS, last 12 months.

73.1 minavg arrival delay

2.6%cancelled

0diverted

76flights tracked

Arrival delay distribution

Early/on time · 151–60 min · 3061–180 min · 18180+ min · 11

On-time by day of week

Mon

20.0%

Tue

36.4%

Wed

44.4%

Thu

18.2%

Fri

18.2%

Sat

63.6%

Sun

36.4%

On-time by month

18.2%

May

34.5%

Jun

40.0%

Jul

25.0%

Aug

← All flights on SFO–ORD