UA2229 · BOS → ORD

United Airlines · Boston to Chicago O'Hare · last 12 months · 150 flights tracked

52.1%on-time

UA2229 BOS→ORD: 52.1% on-time over 150 flights (last 12 months) — below average. It trails the route average (71.9%) by 19.8 points. Best day to fly: Tue (73.3%); worst: Sun (34.6%). Seasonality matters: Nov is the most reliable month (66.7%), Sep the worst (23.5%). Cancellation rate is 2.7% — have a backup plan. Average arrival delay: 52.2 minutes.

Data: US BTS, last 12 months.

52.2 minavg arrival delay

2.7%cancelled

2diverted

150flights tracked

Arrival delay distribution

Early/on time · 641–60 min · 3961–180 min · 31180+ min · 10

On-time by day of week

Mon

56.0%

Tue

73.3%

Wed

64.3%

Thu

44.4%

Fri

57.7%

Sat

45.5%

Sun

34.6%

On-time by month

23.5%

Sep

35.3%

Oct

66.7%

Nov

0.0%

Dec

87.5%

May

59.3%

Jun

65.5%

Jul

37.9%

Aug

← All flights on BOS–ORD