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UA2040 · BOS → ORD

United Airlines · Boston to Chicago O'Hare · last 12 months · 360 flights tracked

53.1%on-time

UA2040 BOS→ORD: 53.1% on-time over 360 flights (last 12 months) — below average. It trails the route average (71.9%) by 18.8 points. Best day to fly: Tue (68.6%); worst: Fri (39.2%). Seasonality matters: May is the most reliable month (77.4%), Sep the worst (40.0%). Cancellation rate is 2.2% — have a backup plan. Average arrival delay: 35.0 minutes.

Data: US BTS, last 12 months.

35.0 minavg arrival delay

2.2%cancelled

0diverted

360flights tracked

Arrival delay distribution

Early/on time · 1161–60 min · 18861–180 min · 33180+ min · 15

On-time by day of week

Mon

52.0%

Tue

68.6%

Wed

48.1%

Thu

58.0%

Fri

39.2%

Sat

56.2%

Sun

50.0%

On-time by month

40.0%

Sep

41.9%

Oct

60.7%

Nov

53.3%

Dec

44.4%

Jan

63.0%

Feb

50.0%

Mar

56.7%

Apr

77.4%

May

51.7%

Jun

48.3%

Jul

50.0%

Aug

← All flights on BOS–ORD