UA1278 · SMF → ORD

United Airlines · SMF to Chicago O'Hare · last 12 months · 218 flights tracked

85.0%on-time

UA1278 SMF→ORD: 85.0% on-time over 218 flights (last 12 months) — excellent. It beats the route average (79.3%) by 5.7 points. Best day to fly: Sat (93.3%); worst: Sun (76.7%). Seasonality matters: Oct is the most reliable month (100.0%), Jan the worst (65.4%). Average arrival delay: 13.3 minutes.

Data: US BTS, last 12 months.

13.3 minavg arrival delay

1.4%cancelled

1diverted

218flights tracked

Arrival delay distribution

Early/on time · 1561–60 min · 4661–180 min · 7180+ min · 5

On-time by day of week

Mon

83.9%

Tue

87.5%

Wed

80.6%

Thu

93.1%

Fri

80.6%

Sat

93.3%

Sun

76.7%

On-time by month

100.0%

Sep

100.0%

Oct

88.9%

Nov

82.4%

Dec

65.4%

Jan

92.9%

Feb

77.4%

Mar

90.0%

Apr

70.0%

May

← All flights on SMF–ORD