UA1015 · BOS → ORD

United Airlines · Boston to Chicago O'Hare · last 12 months · 305 flights tracked

50.3%on-time

UA1015 BOS→ORD: 50.3% on-time over 305 flights (last 12 months) — below average. It trails the route average (71.9%) by 21.6 points. Best day to fly: Sat (75.0%); worst: Mon (42.9%). Seasonality matters: Apr is the most reliable month (75.0%), Oct the worst (16.7%). Cancellation rate is 4.3% — have a backup plan. Average arrival delay: 44.4 minutes.

Data: US BTS, last 12 months.

44.4 minavg arrival delay

4.3%cancelled

0diverted

305flights tracked

Arrival delay distribution

Early/on time · 731–60 min · 14961–180 min · 52180+ min · 18

On-time by day of week

Mon

42.9%

Tue

52.9%

Wed

56.2%

Thu

44.0%

Fri

52.0%

Sat

75.0%

Sun

42.9%

On-time by month

38.5%

Sep

16.7%

Oct

57.7%

Nov

72.4%

Dec

50.0%

Jan

66.7%

Feb

56.2%

Mar

75.0%

Apr

60.7%

May

50.0%

Jun

40.7%

Jul

41.9%

Aug

← All flights on BOS–ORD