UA2278 · SFO → ORD

United Airlines · San Francisco to Chicago O'Hare · last 12 months · 201 flights tracked

83.2%on-time

UA2278 SFO→ORD: 83.2% on-time over 201 flights (last 12 months) — solid. It beats the route average (75.0%) by 8.2 points. Best day to fly: Tue (92.9%); worst: Thu (72.4%). Seasonality matters: Feb is the most reliable month (100.0%), Jul the worst (63.3%). Cancellation rate is 2.0% — have a backup plan. Average arrival delay: 15.8 minutes.

Data: US BTS, last 12 months.

15.8 minavg arrival delay

2.0%cancelled

0diverted

201flights tracked

Arrival delay distribution

Early/on time · 1471–60 min · 3161–180 min · 18180+ min · 1

On-time by day of week

Mon

88.9%

Tue

92.9%

Wed

82.1%

Thu

72.4%

Fri

79.3%

Sat

82.1%

Sun

85.7%

On-time by month

100.0%

Feb

93.3%

Mar

82.8%

Apr

80.0%

May

76.7%

Jun

63.3%

Jul

93.5%

Aug

← All flights on SFO–ORD